Three-flute HSS Countersink Six Piece Set. 90° flutes made to DIN335C for use on most ferrous and non-ferrous materials 6, 8, 10, 12, 16, 20mm sizes in metal box
DIN 335C. 90° bits, triple blade. HSS bits with three blades and 1/4" hex shaft Place directly into driver/drills, no risk of slipping through Radial rear vent for vibration-free work For deburring...