Carbide Bur Cylindrical Flat End End Cut Shank Size 1/8 In. Cutting Edge Type Double Cut Overall Length 2 In. Length of Cut 1/2 In. Cutter Dia 1/4 In. Max RPM 30000 To 40000 Shank Material Carbide Trade Number SB-51 Application For Steel Stainless Steel High-Temp Alloys And Cast Iron