Makita NEMESIS B-19990 Carbide metal Hammer drill bit 18 mm Total length 340 mm SDS-Max 1 pc(s)

4-cutter hammer drill bits with dynamic drill bit, and unique cutting geometry. Specially developed strong head geometry with optimal 4x 90° symmetry of the hard metal cut with up to 50% more hard metal content. The centring tip has a 130 ° point angle. Optimized spiral core strength, 4 evenly working spiral back provide smoothness and low spiral wear.