PRECISION DORMER CANADA 052608 DRILL BIT HSCO XLONG-1/8X12IN

Precision twist drill aircraft extension drill, type J extra length heavy duty. Cobalt is harder than high speed steel and provides better wear-resistance. It is commonly used on high tensile alloys. Oxide gold finish provides a polished finish and prevents chip building, galling and welding on a workpiece. It is commonly used on low carbon, stainless steel and ferrous metals. Low thrust design self-centeringWeb-thinned. Parallel web configuration. No coolant channel.