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Walter ALU 4-1/2" x 1/8" Aluminum Grinding & Cutting Wheel

$10.10/ea $160.25/25 per each only $6.41/eaSave 37%

Usually ships within 3-5 business days

OVERVIEW

Grind Aluminum Without the Clog

Every welder knows the frustration of taking a standard grinding wheel to a piece of aluminum. Within seconds, the wheel gums up, turns silver, and stops cutting. You end up generating more heat than chips, and you ruin the wheel in the process. The Walter ALU™ 4-1/2" Grinding Wheel is the solution to that headache. It is built specifically to chew through soft, gummy metals like aluminum without loading up, keeping your work moving and your grinder cutting freely.

This isn't just a standard wheel with a different label. The 08L452 uses a special recipe that prevents the aluminum from sticking to the abrasive grains. This means you get a consistent bite from the first spark to the nub. At 1/8-inch thick, it's the perfect "hybrid" size—beefy enough to grind down a tack weld or deburr an edge, but thin enough to slice through a sheet or trim a piece of stock. It saves you the time of swapping between a zip wheel and a grinding rock every five minutes.

Weld Prep Made Easy
One of the biggest hidden killers in aluminum welding is contamination. Many "aluminum-specific" abrasives use waxes or lubricants to keep the wheel cool, but that residue gets embedded in the metal and causes porosity in your TIG or MIG welds. The Walter ALU™ wheel is completely free of waxes and lubricants. You can grind your joint and strike an arc immediately afterwards without having to wipe everything down with acetone first. It’s a cleaner, faster, and smarter way to prep your aluminum projects.

Additional Information
Brand:Walter Surface Technologies
Diameter:4.5"
Thickness:0.125"
Arbor In:7/8"
Used To Grind:Aluminum
Grit:24
Packaging Description:25 per each
Wheel Type:Type 27 (Depressed Center)
Max RPM:13,300
Material Application:Aluminum, Non-Ferrous Metals
Bond Type:Resinoid

INCLUDED

  • (1) 4-1/2" x 1/8" x 7/8" ALU Grinding Wheel

APPLICATIONS

  • Grinding aluminum welds and joints
  • Cutting aluminum sheet and profiles
  • Surface preparation for non-ferrous metals
  • Deburring aluminum castings
  • Working with copper, brass, and bronze alloys
  • Intermittent light grinding and cutting

FAQ

No, the Walter ALU™ wheel is specifically formulated to resist clogging and loading, even on pure, soft aluminum.

While it physically can grind steel, it is not recommended. The soft bond designed for aluminum will wear down very quickly on harder metals like steel or stainless.

Yes, it is completely free of waxes and lubricants, meaning it will not leave contaminants that cause weld porosity.

This wheel has a standard 7/8" arbor hole, suitable for most 4-1/2" angle grinders.

It is a 1/8" thick combination wheel, designed to handle both intermittent light grinding and cutting applications.

The maximum safe operating speed is 13,300 RPM.

Generally, no. Because it contains no waxes or lubricants, it leaves a clean surface ready for welding, though standard practice of wiping dust away is always good.

This wheel uses an A-24-ALU grit, which is a coarse grit optimized for fast material removal on soft metals.

CATALOGUE & SPEC SHEETS

Safety Data Sheet
Google Rating
4.9
Based on35reviews
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