... ISO2000 CERTIFICATED SS Drill Bits,ASME B.94.11M-6", 12", 18" Long Type, Aircraft Extension,Fully Ground. ISO2000 CERTIFICATED ANSI ... oxide, amberDiameter: 3/64-1/2mm, A-Z ANSI HSS 12" EXTRA LENGTH DRILLSManufacturing process: fully groundPoint angle: 118Material: HSS or ...