Specifications
| Product Type | Flap Disc (Half Curved Edge, Fillet Weld) |
|---|---|
| Diameter | 4 in (100 mm) |
| Arbor / Bore | 7/8 in (22 mm) |
| Grit | 40 / 60 (assorted) |
| Pieces per Pack | 5 |
| Abrasive Grain | Zirconia & Ceramic |
| Suitable Materials | Metal, Stainless Steel |
| Application | Grinding & finishing fillet welds, corners & contours |
| Compatible Tool | Angle Grinder |
| Max. Operating Speed | 15,300 RPM |
| Brand | Whitby Abrasives |
Description
Whitby Abrasives 4" half-curved-edge fillet weld flap discs combine zirconia and ceramic grain for fast, cool cutting on fillet welds, corners, and contoured surfaces. The shaped face improves contact in hard-to-reach areas, and the durable grain grinds and finishes in one step on metal and stainless steel. Available in 40 and 60 grit.
Key features
- Half-curved edge for fillet welds, corners, and contours
- Zirconia and ceramic grain for fast, cool cutting
- Grinds and finishes in one step
- Available in 40 and 60 grit
- Fits angle grinders with a 7/8" arbor
Frequently asked questions
Q: What is the curved edge for?
A: The shaped face improves contact on fillet welds, corners, and contoured surfaces.
Q: What grain are these?
A: A zirconia and ceramic blend for fast, cool cutting and long life.
Q: What grinder do these fit?
A: Angle grinders that accept a 4" disc with a 7/8" arbor.
Q: Which grit should I choose?
A: 40 grit for heavier stock removal, 60 grit for general grinding and blending.
Why choose Whitby Abrasives
Whitby Abrasives Inc. is a Canadian supplier of professional grinding, cutting, sanding, and finishing abrasives. We focus on consistent quality, fair pricing, and fast shipping across Canada so fabricators, welders, woodworkers, contractors, and DIYers get abrasives that perform job after job. Have a question about sizing or the right grit for your project? Our team is happy to help.