Specifications
| Product Type | Flap Disc |
|---|---|
| Diameter | 4-1/2 in (115 mm) |
| Arbor / Bore | 7/8 in (22 mm) |
| Grit | 40 / 60 / 80 / 120 |
| Abrasive Grain | Calcined Alumina |
| Backing | Fiberglass |
| Suitable Materials | Metal, Stainless Steel |
| Application | Grinding, Weld Blending, Finishing |
| Compatible Tool | Angle Grinder |
| Pieces per Pack | 5 |
| Max. Operating Speed | 13,300 RPM |
| Brand | Whitby Abrasives |
Description
- HIGH QUALITY - Premium calcined alumina abrasive cloth backed by a high strength fiberglass disc enhances strength, durability, and extends disc life.
- MULTIPURPOSE - Curved-edge design achieves optimal grinding on fillet welds, corners, and hard-to-reach places.
- SIZE - 4 1/2" x 7/8" (115mmx22mm). Available in 40, 60, 80, and 120 grit.
- PACKAGE - 5 PACK
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 grinder do these fit?
A: Standard 4-1/2" angle grinders with a 7/8" arbor.
Q: What grain are these?
A: Calcined alumina for cool, fast cutting and a long working life.
Q: Which grit should I choose?
A: Use a coarse grit (40) for heavy stock removal, medium (60–80) for general grinding, and fine (120) for finishing.
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.