Grinding Wheel Abrasive Depth 1/16 in Abrasive Material Cubic Boron Nitride Back Thickness 3/8 in Concentration 75 Connector Size 1 1/4 in Connector Type Unthreaded Hole Grit 100 Compatible Tool Type Tool and Cutter Grinder Primary Material Applicationn Stainless Steel Steel Titanium Tool Steel Overall Diameter 3 3/4 in Overall Thickness 1 1/2 in Rim Thickness Not Applicable Series Aztec Specification AZTEC III 100T-1/16 Wheel Type Type 11 Maximum Operating Speed 9 680 RPM