HSS Drill Bits Standard:ANSI B.94.11M-Single Ended Craftmanship:Fully Ground Surface:Black,white,TIN Long life ... fast drilling HSS Drill Bits,ANSI B.94.11M-Single Ended, Fully Ground Manufacturing Process:Fully GroundMaterial:4341,9341,M2 ... , TIN Coated, Rainbow Color, Bright, Black & Bright, Zirconium Coating, Black, Coffee Color, etc.Point Angle:118°or 135°Item No.:TY ...