Unitized Wheel, Abrasive Material Silicon Carbide, Density Rating Medium (6), Grade Fine, Series Bear-Tex Rapid Blend NEX, Face Width 1/4 in, Maximum Operating Speed 18,000 RPM, Overall Diameter 3 in, Connector Size 1/4 in, Connector Type Unthreaded Hole, Quick Change System Not Applicable, Color Gray, Resistance Properties Smear.
1 mm, Drive Size #4, Tensile Strength 70,000 psi, Dimensional Standards DIN 7985, Pack Size Small, Minimum Thread Length Not Applicable, Type Standard Machine Screw, Washer Outside Diameter Not Applicable, Washer Thickness Not Applicable, Maximum Head Width Not Applicable, Minimum Head Width Not Applicable.