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hss drills 1. sizes available from 0.05 - 45 mm and length 3xd - 25xd for all kinds of materials pmknsh. 2. 4 facet point/ conical, single/double margin, one setting grinding, parabolic drill, special micro-geometry, split point nas 907 std. 3. coating - bright, steam tempered, tialn nano, altin nano, tin, ti more...