Tree Bur SG End Type Pointed Cut Type Single Shank Dia 1 1/2 in Head Dia 3/16 in Head Length 1/2 in Included Angle Not Applicable Overall Length 1 1/2 in Trade Number SG-51 Primary Material Application Brass Bronze Carbon Steel Cast Iron Copper Nickel Stainless Steel Titanium Zinc Head Shape Tree Shank Length 1 in Operating Speed - Maximum 40 000 RPM Coating Bright (Uncoated) Compatible Tool Type Die Grinder Rotary Power Tool Straight Grinder Head Material Carbide