Clarkson Osborn Aircraft Extension Drill Bit, 0.238"" X 6"" X 2-3/4"", High Speed Steel, B (DR64102)

Aircraft Extension Drill BitNAS907B (National Aerospace Standard)M7 high speed steelRight hand cutting direction, standard spiral135° split point, self-centring eliminates walkingBlack oxide finish ; Application ; Portable or machine drilling in hard steels, stainless steel and other hard materials.Packaging and product are both recyclable