
Every welder knows the frustration of taking a grinder to a piece of aluminum. You get about ten seconds of good sparks before the wheel turns into a glazed, useless puck of gray smudge. You end up pushing harder, generating dangerous heat, and getting nowhere. The Walter ALU™ 9" Grinding Wheel (08L905) is the answer to that headache. It is built from the ground up to eat soft metals without loading up.
This isn't just a standard wheel with a different label. The bond is softer, allowing the wheel to break down at the perfect rate to keep sharp abrasive grains exposed. This means you can grind aluminum, copper, or brass continuously without having to stop and dress the wheel or swap it out. The 5/8-11 threaded hub is a huge bonus—just spin it onto your 9-inch grinder and you are ready to rock. No fumbling with flange nuts or keys while you're wearing gloves.
One of the biggest hidden killers in aluminum welding is porosity caused by surface contaminants. Many "aluminum" wheels use wax or lubricants to keep the wheel cool, but that gunk ends up in your base metal. Walter’s ALU™ wheels are wax-free and lubricant-free. You get a clean, metallic surface that is ready for the torch immediately after grinding. Whether you are prepping a joint or smoothing out a heavy bead, this wheel stays aggressive until it's worn down to the hub.
| Additional Information |
|---|
| Brand:Walter Surface Technologies |
| Diameter:9" |
| Thickness:0.25" |
| Arbor (in):5/8" |
| Grit:24 |
| Used To Grind:Aluminum |
| Packaging Description:25 per box |
| Wheel Type:Type 27 |
| Max RPM:6,600 |
| Bond Type:Soft / Resinous |
| Application:Aluminum, Non-ferrous metals |