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An electric sander and sandpaper grit discs on a workshop bench — grit to surface finish chart, Whitby Abrasives, Ontario, Canada

Grit-to-Surface-Finish (Ra) Chart: Which Grit Gives Which Finish

grit selectionWhitby Abrasives
An electric sander and sandpaper grit discs on a workshop bench — grit to surface finish chart, Whitby Abrasives, Ontario, Canada

Grit-to-Surface-Finish (Ra) Chart: Which Grit Gives Which Finish

grit selectionWhitby Abrasives
Close-up of a metalworker grinding steel with sparks flying — best abrasive for titanium and inconel, Whitby Abrasives, Ontario, Canada

Best Abrasives for Titanium, Inconel & Hardened Steel

grain typeWhitby Abrasives
Close-up of a metalworker grinding steel with sparks flying — how to grind aluminum without clogging, Whitby Abrasives, Ontario, Canada

How to Grind Aluminum Without Loading: Stop Clogging & Cross-Contamination

application guideWhitby Abrasives
Close-up of a metalworker grinding steel with sparks flying — best abrasive for stainless steel, Whitby Abrasives, Ontario, Canada

Best Abrasives for Stainless Steel: Avoiding Heat Tint, Contamination & Galvanic Rust

grain typeWhitby Abrasives
Close-up of a metalworker grinding steel with sparks flying — bonded vs coated abrasives, Whitby Abrasives, Ontario, Canada

Bonded vs Coated Abrasives Explained: Wheels, Discs, Bonds & Backings

backing materialWhitby Abrasives
Close-up of a metalworker grinding steel with sparks flying — aluminum oxide vs silicon carbide, Whitby Abrasives, Ontario, Canada

Aluminum Oxide vs Silicon Carbide: When Each Wins

grain typeWhitby Abrasives
Close-up of a metalworker grinding steel with sparks flying — ceramic vs zirconia vs aluminum oxide, Whitby Abrasives, Ontario, Canada

Ceramic vs Zirconia vs Aluminum Oxide: Which Abrasive Grain Lasts Longest

flap discWhitby Abrasives
Close-up of a metalworker grinding steel with sparks flying — abrasive grain selection by material, Whitby Abrasives, Ontario, Canada

Abrasive Grain Selection by Material: Which Grain for Which Metal

application guideWhitby Abrasives
An angle grinder throwing sparks while grinding a steel weld — how to deglaze a flap disc, Whitby Abrasives, Ontario, Canada

Flap Disc Maintenance: Deglazing, Backing Plates & When to Replace

flap discWhitby Abrasives
An angle grinder throwing sparks while grinding a steel weld — flap disc troubleshooting, Whitby Abrasives, Ontario, Canada

Flap Disc Troubleshooting: Wobble, Overheating, Glazing, Loading & Short Life

flap discWhitby Abrasives
An angle grinder throwing sparks while grinding a steel weld — how to use a flap disc, Whitby Abrasives, Ontario, Canada

How to Use a Flap Disc Correctly: Working Angle, Pressure & Technique

application guideWhitby Abrasives
An angle grinder throwing sparks while grinding a steel weld — type 27 vs type 29 flap disc, Whitby Abrasives, Ontario, Canada

Type 27 vs Type 29 Flap Discs: Working Angle & When to Use Each

flap discWhitby Abrasives
An angle grinder throwing sparks while grinding a steel weld — how to choose a flap disc, Whitby Abrasives, Ontario, Canada

How to Choose a Flap Disc: Grain, Grit, Type 27 vs 29, Backing & Density

application guideWhitby Abrasives