Carbide Bur End Type Flat Cut Type Double Shank Dia 1/4 in Head Dia 3/8 in Head Length 3/4 in Included Angle Not Applicable Overall Length 2 1/2 in Trade Number SA-3 Primary Material Application Cast Iron Stainless Steel Steel Head Shape Cylinder Shank Length 1 3/4 in Operating Speed - Maximum 40 000 RPM System of Measurement Inch Coating Bright (Uncoated) Compatible Tool Type Die Grinder Rotary Power Tool Straight Grinder Head Material Carbide Head Material Grade YG7