Specifications
| Product Type | Grinding Wheel (Type 27, Depressed Center) |
|---|---|
| Diameter | 7 in (180 mm) |
| Thickness | 1/4 in (6 mm) |
| Arbor / Bore | 7/8 in (22 mm) |
| Pieces per Pack | 25 |
| Abrasive Grain | Aluminum Oxide |
| Backing | Double fiberglass reinforced |
| Suitable Materials | Mild Steel, Structural Steel, Stainless Steel |
| Application | Grinding, Deburring, Beveling, Weld blending |
| Compatible Tool | Angle Grinder |
| Max. Operating Speed | 8,500 RPM |
| Brand | Whitby Abrasives |
Description
Whitby Abrasives 7" x 1/4" x 7/8" depressed center (Type 27) grinding wheels remove stock fast on mild steel, structural steel, and stainless steel with larger 7" angle grinders. Built for heavy weld grinding, deburring, and beveling, with reinforced construction for high-torque strength and safety. 25-pack.
- FAST GRINDING - Tough aluminum oxide grain for rapid stock removal and weld blending.
- TYPE 27 - Depressed center design for comfortable grinding at an angle.
- REINFORCED - Double fiberglass reinforcement for strength on high-torque grinders.
- SIZE - 7" diameter, 1/4" thick, 7/8" arbor.
- PACKAGE - 25 PACK.
Frequently asked questions
Q: What are these used for?
A: Heavy weld grinding, deburring, and beveling on metal and stainless steel.
Q: What tool do these fit?
A: 7" angle grinders with a 7/8" arbor.
Q: Can I cut with these?
A: No — grinding wheels are for grinding, not cutting.
Q: Are these reinforced?
A: Yes — double fiberglass reinforcement adds strength and safety.
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.









