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Catalogue - Flap Disc

Flap Disc

Designed for grinding, blending, sanding and finishing on a wide range of materials — metal, stainless steel and wood. Our flap discs come in T27 flat for large surfaces, T29 bevel for edges and curves, and Quick-Change Type R for die grinders. Choose from Zirconia (durable economy choice), Calcined Alumina (sharper, especially on stainless), and Ceramic (coolest cut on hardened alloys and high-alloy steel).

Shop the full Flap Disc range
Choose your size, grit and grain on the product page, or ask us for bulk pricing.
Shop All Flap Discs →Request a Bulk QuoteCall 905-430-1777
Browse by Category
Standard Series
2"3"4"4-1/2"5"6"7"9"
Half Curved & Curved Series
4"4-1/2"5"

Standard Series

T27 flat and Quick-Change flap discs for everyday grinding, blending and finishing. Sized from 2" rotary discs through 9" angle-grinder workhorses.

2"
2 inch flap disc

SKU F2-1

2" x 3/8" FLAP DISC

Premium German VSM Zirconia — sharp, cool, long-lasting cuts.

Pack of 10pcs

Zirconia flap disc on fibreglass backing, made with premium German VSM cloth. Stays sharp under heat and pressure, delivering fast, cool stock removal on stainless and carbon steel.

KEY FEATURES

  • Premium German VSM Zirconia grain — self-sharpening, long life
  • Cool, aggressive cut on stainless and carbon steel
  • Fibreglass backing for safe, stable high-RPM use

Perfect for: weld dressing, edge blending and rust removal on stainless and steel.

SPECIFICATIONS

Identification SKU F2-1
Shape T27 flat
Dimensions Diameter 2" (50 mm)
Grit 40/60/80/120
Arbor 3/8" (10 mm)
Performance Max RPM 25,000
Grain Zirconia (German VSM, premium)
Grinds Stainless steel, Carbon steel, Metal
Compatibility Fits Die grinders, right-angle die grinders, pneumatic mini grinders, 2" Roloc-style backing pads (3/8" spindle)
Package Pack size 10pcs

Add to Cart →Request a Bulk Quote

2 inch quick change flap disc

SKU F2-4

2" QUICK CHANGE FLAP DISC

Quick-Change Type R — premium German VSM Zirconia.

Pack of 10pcs

Quick-change Type R flap disc with premium German VSM Zirconia grain. Snap-mount system locks onto die grinders without a backing pad — fast cool cutting on stainless and carbon steel in tight spaces.

KEY FEATURES

  • Premium German VSM Zirconia grain — cool, long-lasting cut
  • Type R quick-change mount — no backing pad needed
  • Built for die grinders and tight-access work

Perfect for: auto body, restoration and detail shops doing surface prep in tight spots.

SPECIFICATIONS

Identification SKU F2-4
Shape Quick-change (Type R)
Dimensions Diameter 2" (50 mm)
Grit 40/60/80
Arbor 3/8" (10 mm)
Performance Max RPM 25,000
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Metal, Stainless steel, Wood
Compatibility Fits Die grinder, pneumatic mandrel (Type R quick-change)
Package Pack size 10pcs

Add to Cart →Request a Bulk Quote

3"
3 inch flap disc

SKU F3-1

3" x 3/8" FLAP DISC

Premium German VSM Zirconia — sharp, cool, long-lasting cuts.

Pack of 10pcs

Zirconia flap disc on fibreglass backing, made with premium German VSM cloth. Stays sharp under heat and pressure, delivering fast, cool stock removal on stainless and carbon steel.

KEY FEATURES

  • Premium German VSM Zirconia grain — self-sharpening, long life
  • Cool, aggressive cut on stainless and carbon steel
  • Fibreglass backing for safe, stable high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F3-1
Shape T27 flat
Dimensions Diameter 3" (75 mm)
Grit 40/60/80/120
Arbor 3/8" (10 mm)
Performance Max RPM 20,000
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Metal, Stainless steel, Wood
Compatibility Fits 3" angle grinder (3/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

3 inch quick change flap disc

SKU F3-5

3" QUICK CHANGE FLAP DISC

Quick-Change Type R — premium German VSM Zirconia.

Pack of 10pcs

Quick-change Type R flap disc with premium German VSM Zirconia grain. Snap-mount system locks onto die grinders without a backing pad — fast cool cutting on stainless and carbon steel in tight spaces.

KEY FEATURES

  • Premium German VSM Zirconia grain — cool, long-lasting cut
  • Type R quick-change mount — no backing pad needed
  • Built for die grinders and tight-access work

Perfect for: auto body, restoration and detail shops doing surface prep in tight spots.

SPECIFICATIONS

Identification SKU F3-5
Shape Quick-change (Type R)
Dimensions Diameter 3" (75 mm)
Grit 40/60/80
Arbor 3/8" (10 mm)
Performance Max RPM 20,000
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Metal, Stainless steel, Wood
Compatibility Fits Die grinder, pneumatic mandrel (Type R quick-change)
Package Pack size 10pcs

Add to Cart →Request a Bulk Quote

4"
4 inch calcined alumina flap disc

SKU F4-7

4" x 5/8" CALCINED ALUMINA FLAP DISC

Calcined Alumina — clean, economical finishing on mild steel.

Pack of 10pcs

Calcined Alumina flap disc on fibreglass backing. A sharp, economical grain for general-purpose grinding, blending and finishing on mild steel, wood and non-ferrous metals.

KEY FEATURES

  • Calcined Alumina grain — sharp, economical, general-purpose
  • Best on mild steel, wood and non-ferrous metals
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F4-7
Shape T27 flat
Dimensions Diameter 4" (100 mm)
Grit 40/60/80
Arbor 5/8" (16 mm)
Performance Max RPM 15,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Mild steel, Carbon steel, Aluminum, Brass, Copper, Wood
Compatibility Fits 4" angle grinder (5/8" spindle)
Package Pack size 10pcs

Add to Cart →Request a Bulk Quote

4 inch assorted grit zirconia ceramic purple flap disc

SKU FKIT4-01

4" x 5/8" ASSORTED GRIT ZIRCONIA/CERAMIC PURPLE FLAP DISC

Assorted-grit Zirconia/Ceramic kit — ready for any job.

Pack of 20pcs

Assorted-grit pack of premium Zirconia/Ceramic purple flap discs on fibreglass backing. Multi-grit set covers everything from heavy stock removal to final finishing on stainless and carbon steel.

KEY FEATURES

  • Mixed Zirconia/Ceramic grain — fast cut, long life
  • Assorted grits — one kit for grinding through finishing
  • Fibreglass backing for safe high-RPM use

Perfect for: fab shops and weld-finishing benches that need 40-grit through 120-grit on hand every day.

SPECIFICATIONS

Identification SKU FKIT4-01
Shape T27 flat
Dimensions Diameter 4" (100 mm)
Grit 40X6PCS/60X6PCS/ 80X6PCS/120X6PCS
Arbor 5/8" (16 mm)
Performance Max RPM 15,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 4" angle grinder (5/8" spindle)
Package Pack size 20pcs

Add to Cart →Request a Bulk Quote

4-1/2"
4 and a half inch calcined alumina flap disc

SKU F45-11

4-1/2" x 7/8" CALCINED ALUMINA FLAP DISC

Calcined Alumina — clean, economical finishing on mild steel.

Pack of 10pcs

Calcined Alumina flap disc on fibreglass backing. A sharp, economical grain for general-purpose grinding, blending and finishing on mild steel, wood and non-ferrous metals.

KEY FEATURES

  • Calcined Alumina grain — sharp, economical, general-purpose
  • Best on mild steel, wood and non-ferrous metals
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F45-11
Shape T27 flat
Dimensions Diameter 4-1/2" (115 mm)
Grit 40/60/80
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Mild steel, Carbon steel, Aluminum, Brass, Copper, Wood
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

4 and a half inch zirconia flap disc

SKU F45-15

4-1/2" x 7/8" ZIRCONIA FLAP DISC

Zirconia — fast, cool cutting on stainless and steel.

Pack of 10pcs

Zirconia flap disc on fibreglass backing. Self-sharpening grain delivers fast, cool stock removal on stainless and carbon steel with a longer life than aluminum oxide.

KEY FEATURES

  • Zirconia grain — self-sharpening, long life
  • Cool, aggressive cut on stainless and carbon steel
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F45-15
Shape T27 flat
Dimensions Diameter 4-1/2" (115 mm)
Grit 40/60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Carbon steel, Mild steel, Aluminum, Brass, Copper
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

4 and a half inch professional VSM zirconia flap disc 101R

SKU F45-2

4-1/2" x 7/8" PROFESSIONAL GRADE VSM ZIRCONIA FLAP DISC 101R

Premium German VSM Zirconia — sharp, cool, long-lasting cuts.

Pack of 10pcs

Zirconia flap disc on fibreglass backing, made with premium German VSM cloth. Stays sharp under heat and pressure, delivering fast, cool stock removal on stainless and carbon steel.

KEY FEATURES

  • Premium German VSM Zirconia grain — self-sharpening, long life
  • Cool, aggressive cut on stainless and carbon steel
  • Fibreglass backing for safe, stable high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F45-2
Shape T27 flat
Dimensions Diameter 4-1/2" x 7/8"
Grit 40/60
Arbor 7/8" (22 mm)
Performance Max RPM 15,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Carbon steel, Mild steel, Cast iron, Aluminum, Brass, Copper
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

4 and a half inch jumbo zirconia and alumina flap disc

SKU F45-1

4-1/2" x 7/8" JUMBO ZIRCONIA & ALUMINA FLAP DISC

Jumbo Zirconia & Alumina — extra flaps for extended life.

Pack of 10pcs

Jumbo flap disc with Zirconia and Alumina grain on fibreglass backing. Extra-dense flap stack gives significantly longer life than a standard disc on steel and stainless.

KEY FEATURES

  • Jumbo flap stack — significantly longer life per disc
  • Zirconia/Alumina blend — strong cut on steel and stainless
  • Fibreglass backing for safe high-RPM use

Perfect for: fabricators grinding heavy weld beads who want fewer disc changes per shift.

SPECIFICATIONS

Identification SKU F45-1
Shape T27 high-density jumbo
Dimensions Diameter 4-1/2" (115 mm)
Grit 36/80
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Carbon steel, Mild steel, Cast iron, Aluminum, Brass, Copper
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 10pcs

Add to Cart →Request a Bulk Quote

4 and a half inch VSM ceramic flap disc

SKU F45-26

4-1/2" x 7/8" VSM CERAMIC FLAP DISC

VSM Ceramic — coolest, sharpest cut on hard metals.

Pack of 10pcs

VSM Ceramic flap disc on fibreglass backing. Premium German cloth with the coolest-cutting grain available — built for hardened alloys, titanium and stainless where heat ruins the workpiece.

KEY FEATURES

  • Premium VSM Ceramic grain — coolest cut on hardened/exotic metals
  • Highest stock removal on stainless, titanium and Inconel
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F45-26
Shape T27 flat
Dimensions Diameter 4-1/2" (115 mm)
Grit 60/80
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

4 and a half inch VSM ceramic cushion bowl flexible flap disc

SKU F45-C15

4-1/2" x 7/8" VSM CERAMIC CUSHION BOWL STYLE FLEXIBLE FLAP DISC

VSM Ceramic cushioned bowl-style flexible flap disc.

Pack of 5pcs

Flexible bowl-style flap disc with premium VSM Ceramic grain and a cushioned backing. Conforms to contoured surfaces for smooth blending and finishing on stainless, titanium and hard alloys.

KEY FEATURES

  • Premium VSM Ceramic grain — cool, sharp cut
  • Cushioned bowl shape — conforms to curves and contours
  • Flexible backing for blending without gouging

Perfect for: stainless fabricators blending tank welds, handrails and curved sheet without flat-spotting.

SPECIFICATIONS

Identification SKU F45-C15
Shape Cushion bowl-style
Dimensions Diameter 4-1/2" (115 mm)
Grit Ceramic 60/80
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 5pcs

Add to Cart →Request a Bulk Quote

5"
5 inch calcined alumina flap disc

SKU F5-1

5" x 7/8" CALCINED ALUMINA FLAP DISC

Calcined Alumina — clean, economical finishing on mild steel.

Pack of 20pcs

Calcined Alumina flap disc on fibreglass backing. A sharp, economical grain for general-purpose grinding, blending and finishing on mild steel, wood and non-ferrous metals.

KEY FEATURES

  • Calcined Alumina grain — sharp, economical, general-purpose
  • Best on mild steel, wood and non-ferrous metals
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F5-1
Shape T27 flat
Dimensions Diameter 5" (125 mm)
Grit 40/60/80
Arbor 7/8" (22 mm)
Performance Max RPM 12,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Mild steel, Carbon steel, Aluminum, Brass, Copper, Wood
Compatibility Fits 5" angle grinder (7/8" spindle)
Package Pack size 20pcs

Shop All Flap Discs →Request a Bulk Quote

5 inch zirconia flap disc

SKU F5-14

5" x 7/8" ZIRCONIA FLAP DISC

Zirconia — fast, cool cutting on stainless and steel.

Pack of 10pcs

Zirconia flap disc on fibreglass backing. Self-sharpening grain delivers fast, cool stock removal on stainless and carbon steel with a longer life than aluminum oxide.

KEY FEATURES

  • Zirconia grain — self-sharpening, long life
  • Cool, aggressive cut on stainless and carbon steel
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F5-14
Shape T27 flat
Dimensions Diameter 5" (125 mm)
Grit 40/60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 12,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Carbon steel, Mild steel, Aluminum, Brass, Copper
Compatibility Fits 5" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

5 inch professional VSM zirconia flap disc

SKU F5-8

5" x 7/8" PROFESSIONAL GRADE VSM ZIRCONIA FLAP DISC

Premium German VSM Zirconia — sharp, cool, long-lasting cuts.

Pack of 10pcs

Zirconia flap disc on fibreglass backing, made with premium German VSM cloth. Stays sharp under heat and pressure, delivering fast, cool stock removal on stainless and carbon steel.

KEY FEATURES

  • Premium German VSM Zirconia grain — self-sharpening, long life
  • Cool, aggressive cut on stainless and carbon steel
  • Fibreglass backing for safe, stable high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F5-8
Shape T27 flat
Dimensions Diameter 5" (125 mm)
Grit 40/60
Arbor 7/8" (22 mm)
Performance Max RPM 12,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Carbon steel, Mild steel, Cast iron, Aluminum, Brass, Copper
Compatibility Fits 5" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

5 inch jumbo zirconia and alumina flap disc

SKU F5-18

5" x 7/8" JUMBO ZIRCONIA & ALUMINA FLAP DISC

Jumbo Zirconia & Alumina — extra flaps for extended life.

Pack of 10pcs

Jumbo flap disc with Zirconia and Alumina grain on fibreglass backing. Extra-dense flap stack gives significantly longer life than a standard disc on steel and stainless.

KEY FEATURES

  • Jumbo flap stack — significantly longer life per disc
  • Zirconia/Alumina blend — strong cut on steel and stainless
  • Fibreglass backing for safe high-RPM use

Perfect for: fabricators grinding heavy weld beads who want fewer disc changes per shift.

SPECIFICATIONS

Identification SKU F5-18
Shape T27 high-density jumbo
Dimensions Diameter 5" (125 mm)
Grit 40
Arbor 7/8" (22 mm)
Performance Max RPM 12,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Carbon steel, Mild steel, Cast iron, Aluminum, Brass, Copper
Compatibility Fits 5" angle grinder (7/8" spindle)
Package Pack size 10pcs

Add to Cart →Request a Bulk Quote

5 inch VSM ceramic flap disc

SKU F5-18

5" x 7/8" VSM CERAMIC FLAP DISC

VSM Ceramic — coolest, sharpest cut on hard metals.

Pack of 10pcs

VSM Ceramic flap disc on fibreglass backing. Premium German cloth with the coolest-cutting grain available — built for hardened alloys, titanium and stainless where heat ruins the workpiece.

KEY FEATURES

  • Premium VSM Ceramic grain — coolest cut on hardened/exotic metals
  • Highest stock removal on stainless, titanium and Inconel
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F5-18
Shape T27 flat
Dimensions Diameter 5" (125 mm)
Grit 60/80
Arbor 7/8" (22 mm)
Performance Max RPM 12,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 5" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

5 inch VSM ceramic cushion bowl flexible flap disc

SKU F45-1

5" x 7/8" VSM 60# CERAMIC CUSHION BOWL STYLE FLEXIBLE FLAP DISC

VSM Ceramic cushioned bowl-style flexible flap disc.

Pack of 5pcs

Flexible bowl-style flap disc with premium VSM Ceramic grain and a cushioned backing. Conforms to contoured surfaces for smooth blending and finishing on stainless, titanium and hard alloys.

KEY FEATURES

  • Premium VSM Ceramic grain — cool, sharp cut
  • Cushioned bowl shape — conforms to curves and contours
  • Flexible backing for blending without gouging

Perfect for: stainless fabricators blending tank welds, handrails and curved sheet without flat-spotting.

SPECIFICATIONS

Identification SKU F45-1
Shape Cushion bowl-style
Dimensions Diameter 5" (125 mm)
Grit Ceramic 60
Arbor 7/8" (22 mm)
Performance Max RPM 12,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 5" angle grinder (7/8" spindle)
Package Pack size 5pcs

Shop All Flap Discs →Request a Bulk Quote

6"
6 inch aluminum oxide flap disc

SKU F6-1

6" x 7/8" ALUMINUM OXIDE FLAP DISC

Aluminum Oxide — reliable, economical general-purpose grinding.

Pack of 10pcs

Aluminum Oxide flap disc on fibreglass backing. A workhorse grain for everyday grinding, blending and finishing on mild steel, wood and non-ferrous metals.

KEY FEATURES

  • Aluminum Oxide grain — reliable, economical, all-purpose
  • Best on mild steel, wood and non-ferrous metals
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F6-1
Shape T27 flat
Dimensions Diameter 6" (150 mm)
Grit 40/60/80
Arbor 7/8" (22 mm)
Performance Max RPM 10,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Mild steel, Carbon steel, Wood, Aluminum, Brass, Copper
Compatibility Fits 6" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

7"
7 inch aluminum oxide flap disc

SKU F7-5

7" x 7/8" ALUMINUM OXIDE FLAP DISC

Aluminum Oxide — reliable, economical general-purpose grinding.

Pack of 10pcs

Aluminum Oxide flap disc on fibreglass backing. A workhorse grain for everyday grinding, blending and finishing on mild steel, wood and non-ferrous metals.

KEY FEATURES

  • Aluminum Oxide grain — reliable, economical, all-purpose
  • Best on mild steel, wood and non-ferrous metals
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F7-5
Shape T27 flat
Dimensions Diameter 7" (180 mm)
Grit 40/60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 8,600
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Mild steel, Carbon steel, Wood, Aluminum, Brass, Copper
Compatibility Fits 7" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

7 inch ceramic zirconia flap disc

SKU F7-4

7" x 7/8" CERAMIC/ZIRCONIA FLAP DISC

Ceramic/Zirconia blend — premium speed and life.

Pack of 5pc

Premium Ceramic/Zirconia flap disc on fibreglass backing. The blended grain combines the cool, fast cut of ceramic with the toughness of zirconia for the best balance of speed and life on stainless and hard steels.

KEY FEATURES

  • Ceramic/Zirconia blend — premium speed and life
  • Cool, aggressive cut on stainless and hard steels
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F7-4
Shape T27 flat
Dimensions Diameter 7" (180 mm)
Grit 40/60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 8,600
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 7" angle grinder (7/8" spindle)
Package Pack size 5pc

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7 inch 5/8-11 thread ceramic zirconia flap disc

SKU F7-2

7" x 5/8"-11 THREAD ARBOR CERAMIC/ZIRCONIA FLAP DISC GRIT 40

Ceramic/Zirconia blend — premium speed and life.

Pack of 5pcs

Premium Ceramic/Zirconia flap disc on fibreglass backing. The blended grain combines the cool, fast cut of ceramic with the toughness of zirconia for the best balance of speed and life on stainless and hard steels.

KEY FEATURES

  • Ceramic/Zirconia blend — premium speed and life
  • Cool, aggressive cut on stainless and hard steels
  • Fibreglass backing for safe high-RPM use

Perfect for: ironworkers and structural fabricators dressing welds on heavy steel.

SPECIFICATIONS

Identification SKU F7-2
Shape T27 flat
Dimensions Diameter 7" (180 mm)
Grit 40
Arbor 5/8"-11 thread
Performance Max RPM 8,600
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits Angle grinder (5/8"-11 threaded spindle)
Package Pack size 5pcs

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Half Curved & Curved Series

T29 conical and half-curved profiles for edges, bevels, fillets and curved surfaces. Includes radial-type 5/8"-11 thread mounts for direct attachment to large grinders.

4"
4 inch curved ceramic zirconia flap disc

SKU F4-C1

4" x 5/8" CURVED CERAMIC/ZIRCONIA FLAP DISC

Curved Ceramic/Zirconia — conforms for blended finishes.

Pack of 5pcs

Curved-profile flap disc with Ceramic/Zirconia grain on fibreglass backing. The curved face increases flap-to-work contact for smoother blending on contoured and edge work.

KEY FEATURES

  • Ceramic/Zirconia grain — cool, fast cut on stainless and steel
  • Curved profile — more contact area, smoother blend
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F4-C1
Shape T29 conical (curved)
Dimensions Diameter 4" (100 mm)
Grit 40/60/80
Arbor 5/8" (16 mm)
Performance Max RPM 15,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 4" angle grinder (5/8" spindle)
Package Pack size 5pcs

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4-1/2"
4 and a half inch full curved calcined alumina flap disc

SKU F45-C1

4-1/2" x 7/8" FULL CURVED PROFESSIONAL CALCINED ALUMINA FLAP DISC

Curved Calcined Alumina — smooth blending on mild steel.

Pack of 5pcs

Full-curved flap disc with professional Calcined Alumina grain on fibreglass backing. Curved face conforms to contoured surfaces for clean blending on mild steel and non-ferrous metals.

KEY FEATURES

  • Calcined Alumina grain — sharp, economical, general-purpose
  • Full-curved profile — smoother blend on contours
  • Fibreglass backing for safe high-RPM use

Perfect for: fabricators and welders dressing weld bevels, edges and curved sheet stock.

SPECIFICATIONS

Identification SKU F45-C1
Shape T29 conical (curved)
Dimensions Diameter 4-1/2" (115 mm)
Grit 40/60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Mild steel, Carbon steel, Aluminum, Brass, Copper, Wood
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 5pcs

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4 and a half inch full curved VSM zirconia flap disc

SKU F45-C5

4-1/2" x 7/8" FULL CURVED PROFESSIONAL VSM GRADE ZIRCONIA FLAP DISC

Curved VSM Zirconia — premium grain, contoured face.

Pack of 5pcs

Curved-profile flap disc with professional-grade German VSM Zirconia on fibreglass backing. Combines premium cool-cutting grain with a curved face for smoother contact on edges and curves.

KEY FEATURES

  • Premium German VSM Zirconia grain — cool, long-life cut
  • Curved profile — better contact on edges and contours
  • Fibreglass backing for safe high-RPM use

Perfect for: fabricators and welders dressing weld bevels, edges and curved sheet stock.

SPECIFICATIONS

Identification SKU F45-C5
Shape T29 conical (curved)
Dimensions Diameter 4-1/2" (115 mm)
Grit 40/60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Carbon steel, Mild steel, Cast iron, Aluminum, Brass, Copper
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 5pcs

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4 and a half inch full curved SG ceramic flap disc

SKU F45-C8

4-1/2" x 7/8" FULL CURVED SG CERAMIC FLAP DISC

Curved SG Ceramic — engineered grain, contoured face.

Pack of 3pcs

Curved-profile flap disc with premium SG (seeded gel) Ceramic grain on fibreglass backing. The self-renewing ceramic grain plus curved face delivers cool, smooth cutting on contoured stainless and hardened steel.

KEY FEATURES

  • SG Ceramic grain — self-renewing, long-life cut
  • Curved profile — smoother contact on contours and edges
  • Fibreglass backing for safe high-RPM use

Perfect for: fabricators and welders dressing weld bevels, edges and curved sheet stock.

SPECIFICATIONS

Identification SKU F45-C8
Shape T29 conical (curved)
Dimensions Diameter 4-1/2" (115 mm)
Grit 60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 3pcs

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4 and a half inch half curved SG ceramic flap disc

SKU F45-C14

4-1/2" x 7/8" HALF CURVED SG CERAMIC FLAP DISC

Curved SG Ceramic — engineered grain, contoured face.

Pack of 3pcs

Curved-profile flap disc with premium SG (seeded gel) Ceramic grain on fibreglass backing. The self-renewing ceramic grain plus curved face delivers cool, smooth cutting on contoured stainless and hardened steel.

KEY FEATURES

  • SG Ceramic grain — self-renewing, long-life cut
  • Curved profile — smoother contact on contours and edges
  • Fibreglass backing for safe high-RPM use

Perfect for: welders and metalworkers whose jobs mix flat grinding with edge dressing.

SPECIFICATIONS

Identification SKU F45-C14
Shape T29 conical (curved)
Dimensions Diameter 4-1/2" (115 mm)
Grit 60
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 3pcs

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4 and a half inch half curved VSM zirconia flap disc

SKU F45-C13

4-1/2" x 7/8" HALF CURVED PROFESSIONAL VSM GRADE ZIRCONIA FLAP DISC

Curved VSM Zirconia — premium grain, contoured face.

Pack of 10pcs

Curved-profile flap disc with professional-grade German VSM Zirconia on fibreglass backing. Combines premium cool-cutting grain with a curved face for smoother contact on edges and curves.

KEY FEATURES

  • Premium German VSM Zirconia grain — cool, long-life cut
  • Curved profile — better contact on edges and contours
  • Fibreglass backing for safe high-RPM use

Perfect for: welders and metalworkers whose jobs mix flat grinding with edge dressing.

SPECIFICATIONS

Identification SKU F45-C13
Shape T29 conical (curved)
Dimensions Diameter 4-1/2" (115 mm)
Grit 40/60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Carbon steel, Mild steel, Cast iron, Aluminum, Brass, Copper
Compatibility Fits 4-1/2" angle grinder (7/8" spindle)
Package Pack size 10pcs

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4 and a half inch 5/8-11 thread curve radial VSM zirconia flap disc

SKU F45-C11

4-1/2" x 5/8"-11 THREAD CURVE RADIAL TYPE VSM ZIRCONIA FLAP DISC 60#

Curved VSM Zirconia — premium grain, contoured face.

Sold individually

Curved-profile flap disc with professional-grade German VSM Zirconia on fibreglass backing. Combines premium cool-cutting grain with a curved face for smoother contact on edges and curves.

KEY FEATURES

  • Premium German VSM Zirconia grain — cool, long-life cut
  • Curved profile — better contact on edges and contours
  • Fibreglass backing for safe high-RPM use

Perfect for: ironworkers and structural fabricators dressing welds on heavy steel.

SPECIFICATIONS

Identification SKU F45-C11
Shape Curve radial (5/8"-11 thread)
Dimensions Diameter 4-1/2" (115 mm)
Grit Zirconia 60
Arbor 5/8"-11 thread
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Carbon steel, Mild steel, Cast iron, Aluminum, Brass, Copper
Compatibility Fits Angle grinder (5/8"-11 threaded spindle)
Package Pack size Sold individually

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4 and a half inch 5/8-11 thread curve radial VSM ceramic flap disc

SKU F45-C12

4-1/2" x 5/8"-11 THREAD CURVE RADIAL TYPE VSM CERAMIC FLAP DISC 60#

VSM Ceramic cushioned bowl-style flexible flap disc.

Sold individually

Flexible bowl-style flap disc with premium VSM Ceramic grain and a cushioned backing. Conforms to contoured surfaces for smooth blending and finishing on stainless, titanium and hard alloys.

KEY FEATURES

  • Premium VSM Ceramic grain — cool, sharp cut
  • Cushioned bowl shape — conforms to curves and contours
  • Flexible backing for blending without gouging

Perfect for: ironworkers and structural fabricators dressing welds on heavy steel.

SPECIFICATIONS

Identification SKU F45-C12
Shape Curve radial (5/8"-11 thread)
Dimensions Diameter 4-1/2" (115 mm)
Grit VSM Ceramic 60
Arbor 5/8"-11 thread
Performance Max RPM 13,300
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits Angle grinder (5/8"-11 threaded spindle)
Package Pack size Sold individually

Shop All Flap Discs →Request a Bulk Quote

5"
5 inch full curved calcined alumina flap disc

SKU F5-C1

5" x 7/8" FULL CURVED CALCINED ALUMINA FLAP DISC

Curved Calcined Alumina — smooth blending on mild steel.

Pack of 5pcs

Full-curved flap disc with professional Calcined Alumina grain on fibreglass backing. Curved face conforms to contoured surfaces for clean blending on mild steel and non-ferrous metals.

KEY FEATURES

  • Calcined Alumina grain — sharp, economical, general-purpose
  • Full-curved profile — smoother blend on contours
  • Fibreglass backing for safe high-RPM use

Perfect for: fabricators and welders dressing weld bevels, edges and curved sheet stock.

SPECIFICATIONS

Identification SKU F5-C1
Shape T29 conical (curved)
Dimensions Diameter 5" (125 mm)
Grit 40/60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 12,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, Mild steel, Carbon steel, Aluminum, Brass, Copper, Wood
Compatibility Fits 5" angle grinder (7/8" spindle)
Package Pack size 5pcs

Add to Cart →Request a Bulk Quote

5 inch full curved SG ceramic flap disc

SKU F5-C5

5" x 7/8" FULL CURVED SG CERAMIC FLAP DISC

Curved SG Ceramic — engineered grain, contoured face.

Pack of 3pcs

Curved-profile flap disc with premium SG (seeded gel) Ceramic grain on fibreglass backing. The self-renewing ceramic grain plus curved face delivers cool, smooth cutting on contoured stainless and hardened steel.

KEY FEATURES

  • SG Ceramic grain — self-renewing, long-life cut
  • Curved profile — smoother contact on contours and edges
  • Fibreglass backing for safe high-RPM use

Perfect for: fabricators and welders dressing weld bevels, edges and curved sheet stock.

SPECIFICATIONS

Identification SKU F5-C5
Shape T29 conical (curved)
Dimensions Diameter 5" (125 mm)
Grit 60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 12,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 5" angle grinder (7/8" spindle)
Package Pack size 3pcs

Shop All Flap Discs →Request a Bulk Quote

5 inch half curved SG ceramic flap disc

SKU F5-C8

5" x 7/8" HALF CURVED SG CERAMIC FLAP DISC

Curved SG Ceramic — engineered grain, contoured face.

Pack of 3pcs

Curved-profile flap disc with premium SG (seeded gel) Ceramic grain on fibreglass backing. The self-renewing ceramic grain plus curved face delivers cool, smooth cutting on contoured stainless and hardened steel.

KEY FEATURES

  • SG Ceramic grain — self-renewing, long-life cut
  • Curved profile — smoother contact on contours and edges
  • Fibreglass backing for safe high-RPM use

Perfect for: welders and metalworkers whose jobs mix flat grinding with edge dressing.

SPECIFICATIONS

Identification SKU F5-C8
Shape T29 conical (curved)
Dimensions Diameter 5" (125 mm)
Grit 40
Arbor 7/8" (22 mm)
Performance Max RPM 12,200
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Stainless steel, High-alloy steel, Hardened steel, Titanium, Inconel, Cast iron
Compatibility Fits 5" angle grinder (7/8" spindle)
Package Pack size 3pcs

Shop All Flap Discs →Request a Bulk Quote

9"
9 inch aluminum oxide flap disc

SKU F9-1

9" x 7/8" ALUMINUM OXIDE FLAP DISC

Aluminum Oxide — reliable, economical general-purpose grinding.

Pack of 10pcs

Aluminum Oxide flap disc on fibreglass backing. A workhorse grain for everyday grinding, blending and finishing on mild steel, wood and non-ferrous metals.

KEY FEATURES

  • Aluminum Oxide grain — reliable, economical, all-purpose
  • Best on mild steel, wood and non-ferrous metals
  • Fibreglass backing for safe high-RPM use

Perfect for: general fabricators, welders and metalworkers grinding, blending and finishing steel and stainless.

SPECIFICATIONS

Identification SKU F9-1
Shape T27 flat
Dimensions Diameter 9" (230 mm)
Grit 40/60/80/120
Arbor 7/8" (22 mm)
Performance Max RPM 6,600
Grain Zirconia, Ceramic, Aluminum Oxide
Grinds Mild steel, Carbon steel, Wood, Aluminum, Brass, Copper
Compatibility Fits 9" angle grinder (7/8" spindle)
Package Pack size 10pcs

Shop All Flap Discs →Request a Bulk Quote

Supplying Ontario's fabricators since 2019 with premium cutting discs, flap discs, and finishing abrasives. Stocked locally and shipped fast across Canada.

1450 Victoria Street East, Unit 2, Whitby, ON

Call: 905-430-1777 | Text: 647-982-8894

info@whitbyabrasives.com

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