DEWALT 4-1/2" x 1/4" x 7/8" Metal Grinding Wheel
DEWALT 7" Metal Grinding Wheel — Heavy-Duty Type 27 Disc for Angle Grinders
Engineered for pros and serious DIYers, the DEWALT 7-inch metal grinding wheel delivers fast material removal, long life, and smooth, vibration-free performance. Ideal for weld blending, deburring, and heavy-duty surface work on ferrous metals.
Key Features & Performance
- Aggressive Material Removal: Premium Aluminum Oxide (A/O) grain provides fast cutting and excellent shaping on both hard and soft metals.
- Maximum Safety & Durability: Multiple layers of high-tensile fiberglass mesh reinforcement increase strength and extend service life under heavy use.
- Depressed Center Design (Type 27): Optimized for low-angle grinding and flush-surface work — perfect for deep grinding and blending welds.
- Stable, Smooth Operation: Precisely balanced to reduce vibration, improving control and reducing user fatigue.
- Versatile on Ferrous Metals: Works well on steel, cast iron, high-tensile alloys, and other ferrous materials.
Specifications & Ideal Use
| Main Abrasive | Premium Aluminum Oxide (A/O) |
|---|---|
| Wheel Diameter | 7 inch |
| Wheel Thickness | 1/4 inch |
| Arbor Hole | 7/8 inch |
| Compatibility | Standard angle grinders rated for 7" discs |
| Common Applications | Weld blending, deburring, heavy stock removal, surface finishing |
Why Choose This 7" Grinding Wheel?
This DEWALT disc is built for demanding fabrication and repair tasks where speed and longevity matter. The aluminum oxide grain balance provides aggressive cutting without sacrificing wheel life; meanwhile, the fiberglass reinforcement and strict balance tolerances make it safer and easier to control at high RPMs.
Who benefits most?
- Metal fabricators and welders doing frequent weld grinding and blending.
- Auto body technicians and repair shops.
- Construction professionals handling structural steel and rebar.
- Committed DIYers who want professional results and fewer wheel changes.
Safety & Usage Tips
- Always wear appropriate PPE: eye protection, gloves, hearing protection, and a dust mask or respirator when necessary.
- Check your grinder's maximum RPM — do not exceed the wheel's rated speed.
- Inspect each wheel before use for cracks, chips, or damage; discard damaged wheels immediately.
- Use the Type 27 depressed center for low-angle grinding; select the correct guard orientation and tool angle for the task.
- Allow the wheel to do the work: avoid excessive pressure which shortens wheel life and may cause glazing.
Frequently Asked Questions
Is this wheel suitable for stainless steel?
Aluminum Oxide wheels perform well on many ferrous metals. For stainless steel, consider a wheel specifically rated for stainless or a zirconia alumina product for longer life and reduced heat buildup.
Can I use this on non-ferrous metals like aluminum?
Aluminum Oxide is a general-purpose abrasive. It can cut aluminum, but to avoid clogging (loading) use a specially formulated aluminum cutting wheel or a wheel with a coarser grit and proper lubrication/coolant when appropriate.
What grinder size do I need?
A grinder that accepts 7" discs and whose maximum RPM does not exceed the wheel's rated speed is required. Always follow the grinder and wheel manufacturer recommendations.
