Hall HexiBit Countersink Bit Set, 90°, 1/4", HSS

6-piece. HSS core drill bit for all materials. Quick and simple tool changing thanks to hexagonal mount, ¼'' shaft. 3 cutting edges 90°. Packaged in plastic case. Set contents: 6 core drill bits, type XCM with head diameter of 6.3/8.3/10.4/12.4/16.5/20.5 mm.