... Fully Ground Surface:Black Oxide ISO2000 CERTIFICATED HSS Twist Drill Bits, DIN1897 Short Type, Fully Ground. ISO2000 CERTIFICATEDManufacturing process: rolled, milled ... , fully groundPoint angle: 118 or 135 split pointFlute type: NMaterial: HSS or HSS-CoFinish: White,TIN Coated,Rainbow ... in two working days, many Thanks ALL KINDS OF DRILL BITS AND PACKAGES ARE AVAILABLE, PLEASE CONTACT US FOR ...