HSS Cobalt Twist Drill Bits Standard:DIN338 Craftmanship:Fully Ground Surface:Amber Fast Drilling, long life, heat resistant HSSCo Twist Drill Bits Manufacturing Process:Fully Ground, Co5% or Co8% Material:HSS Co Standard:DIN338 Sizes:0.2mm-20mm Surface Finishing:Coffee Color,White, Dark Coffee,etc. Point Angle:118¡ãor 135¡ã Item No.:TY-H004