4-1/2" x 7/8" Sigma Green Grinding Wheels, 36 Grit, 13,300 Max RPM

Sigma Green Grinding Wheels are aggressive grinding wheels manufactured with a specialty grain and bond combination. Sigma Green is constructed with a layer of coarse grain and a second layer of finer grain, resulting in a better finish compared to standard "fast grinding" wheels High performance grain Fast stock removal Superior finish Grinds smooth and quiet Minimizes operator fatigue Controled grinding Cool cutting Won"t discolor or warp stainlessApplications: Tank fabrication Power plant maintenance and repair Welding/metal fabrication Shipbuilding Refinery maintenance and repair Grind Stainless Steel, Inconel, and TitaniumMetals: Stainless steel Mild steel Hard face Titanium Alloys AluminumVirtually Iron Free Contains only 0.035% iron, with less than 0.1% of iron, chlorine, and sulfur combined