... Size:1-20mm ISO2000 CERTIFICATED HSS Drill Bits,DIN340 Long Type, Fully Ground. ISO2000 CERTIFICATED Manufacturing process: milled, fully ... groundPoint angle: 118 or 135 split pointFlute type:NMaterial: HSS or HSS-CoFinish: White,TIN Coated,Rainbow Color ... Bright,Zirconium Coating,Black,Coffee Color, etc.Diameter: 1-20mmItem No.:TY-H006Kindly contact with us for more information, we'll ...