Specifications
| Product Type | Cut-Off Wheel (Type 42) |
|---|---|
| Diameter | 4-1/2 / 5 / 6 / 7 in |
| Thickness | 0.045 in (1.1 mm) |
| Arbor / Bore | 7/8 in (22 mm) |
| Abrasive Grain | Aluminum Oxide |
| Backing | Double-layer fiberglass |
| Suitable Materials | Steel, Stainless Steel, Iron |
| Application | Cutting |
| Compatible Tool | Angle Grinder |
| Brand | Whitby Abrasives |
Description
Whitby Abrasives Fast Cut Premium T42 depressed center cutting wheels are designed for fast, clean, efficient cutting on metal and stainless steel, cutting up to 30% faster than standard discs. Available in 4.5", 5", 6", and 7" sizes, all T42 depressed center with a 7/8" arbor.
Each wheel uses aluminum oxide abrasive grain and a double-layer fiberglass reinforcement structure for strength, stability, and safety. The thin cutting profile reduces heat buildup, material loss, and burr formation while cutting steel, stainless steel, iron, tubing, bar stock, sheet metal, and general fabrication materials.
Key features
- Cuts up to 30% faster than standard cutting discs
- T42 depressed center design for clearance and smooth operation
- Double-layer fiberglass reinforcement for strength and safety
- Thin profile for faster cuts and less waste
- Aluminum oxide grain and a 7/8" arbor for common angle grinders
- Available in 4.5", 5", 6", and 7" sizes
Applications
- steel, stainless steel, and iron
- sheet metal, tubing, and rebar
- bar stock and general fabrication materials
Safety
For cutting only. Do not use for grinding. Always wear proper eye, face, hand, and respiratory protection. Use the correct wheel guard and confirm your grinder speed does not exceed the maximum RPM marked on the wheel. Inspect the wheel before use; never use a damaged, dropped, cracked, or improperly mounted wheel. Follow ANSI B7.1 safety practices and the grinder manufacturer's instructions.
Frequently asked questions
Q: What can I cut with these wheels?
A: Steel, stainless steel, iron, sheet metal, tubing, rebar, and bar stock.
Q: What sizes are available?
A: 4.5", 5", 6", and 7" T42 depressed center wheels with a 7/8" arbor.
Q: Why T42 depressed center?
A: The offset center provides clearance for smoother operation on angle grinders.
Q: Can I grind with these?
A: No — cut-off wheels are for cutting only.
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.