Tree Bur SG End Type Pointed Cut Type Single Shank Dia 1/4 in Head Dia 1/4 in Head Length 5/8 in Included Angle Not Applicable Overall Length 2 in Trade Number SG-1 Primary Material Application Brass Bronze Carbon Steel Cast Iron Copper Nickel Stainless Steel Titanium Zinc Head Shape Tree Shank Length 1 3/8 in Operating Speed - Maximum 30 000 RPM Coating Bright (Uncoated) Compatible Tool Type Die Grinder Rotary Power Tool Straight Grinder Head Material Carbide