Tree Bur SG End Type Pointed Cut Type Single Shank Dia 1/8 in Head Dia 1/8 in Head Length 1/4 in Included Angle Not Applicable Overall Length 1 1/2 in Trade Number SG-41 Primary Material Application Brass Bronze Carbon Steel Cast Iron Copper Nickel Stainless Steel Titanium Zinc Head Shape Tree Shank Length 1 1/4 in Operating Speed - Maximum 70 000 RPM Coating Bright (Uncoated) Compatible Tool Type Die Grinder Rotary Power Tool Straight Grinder Head Material Carbide