Precision ground, hardened high carbon steel auger bits. Fine pitch spiral pulls auger into workpiece and single spur slices timber ahead of the cutting edge, producing accurate holes. Hex shank. Sizes 8, 12, 16 and 24mm. Length 600mm. Precision ground, hardened high carbon steel auger bits. Fine pitch spiral pulls auger into workpiece and single spur slices timber ahead of the cutting edge, producing accurate holes. Hex shank. Sizes 8, 12, 16 and 24mm. Length 600mm.