HSS Drill Bits Standard:DIN340 Long Type Manufacturing:Fully Ground, black or white finish Size:1-20mm ISO2000 ... CERTIFICATED HSS Drill Bits,DIN340 Long Type, Fully Ground. ISO2000 CERTIFICATED Manufacturing process: milled, fully groundPoint angle ... split pointFlute type:NMaterial: HSS or HSS-CoFinish: White,TIN Coated,Rainbow Color,Bright,Black & Bright,Zirconium Coating,Black,Coffee ...