DEWALT Aluminum Oxide 4.5-in Type 27 Grinding Wheel, 1/4-in Thick, 7/8-in Arbor

Regular price $5.43

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4.5-in Aluminum Oxide Metal Grinding Wheel

High-performance DEWALT Type 27 grinding wheel engineered for aggressive metal grinding. Aluminum oxide grain and reinforced fiberglass deliver long life, durability, and safer operation for angle grinders.


Key Features:

  • Aggressive Grinding: High grain concentration for fast material removal and smoother operation
  • Long Life: Proprietary aluminum oxide mix extends wheel lifespan
  • Reinforced Safety: 3 sheets of fiberglass help resist breakage during heavy-duty use
  • Angle Grinder Ready: 7/8-in arbor fits standard 4-1/2-in angle grinders
  • Metal Focused: Optimized for ferrous metals; not for stainless or masonry

Specifications Table:

Specification Details
Wheel Type Grinding wheel
Type Type 27
Diameter 4.5 in (115 mm)
Thickness 0.25 in (1/4 in)
Arbor Diameter 7/8 in (22.2 mm)
Material Aluminum oxide
Application Grinding
For Use with Angle Grinders Yes
For Use with Ferrous Metal Yes
For Use with Stainless Steel No
For Use with Concrete & Masonry No
For Use with Aluminum No
Package Quantity 1
Maximum RPM 13,300
Grit A24R / #24 grain
Warranty None
Prop 65 Warning Yes
UNSPSC 23131500

Frequently Asked Questions (FAQ):

Q: What tools is this wheel compatible with?
A: Designed for 4-1/2-in angle grinders with a 7/8-in arbor.


Q: Can I use it on stainless steel or masonry?
A: No—it's optimized for ferrous metals and not recommended for stainless steel, concrete, or masonry.


Q: What is the wheel type and thickness?
A: Type 27 grinding wheel with 1/4-in thickness.


Q: What safety features does it have?
A: Constructed with 3 full sheets of fiberglass for added durability and safety; follow PPE and RPM guidelines.


Q: What is the maximum RPM?
A: 13,300 RPM as indicated on the product imagery.


Rugged Precision for Metalwork Mastery

This grinding wheel brings a confident, industrial edge to your workshop, delivering swift, controlled shaping of metal surfaces. The standout aluminum oxide grain and fiberglass reinforcement speak to reliability and performance. Pair it with a compact angle grinder to refine brackets, frames, and hardware with crisp finesse. For projects that demand durability and clean lines, it’s an essential tool for a polished, professional finish.


Power through metalwork with durable, high‑performance grinding—add this DEWALT wheel to your kit today.

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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