Structural Steel-Set 3/4 in Weldon / HSS NOVA 50

User set of HM and HSS core drill bits in an L-BOXX|HSS NOVA 50 core drill bit: Extremely resistant to shock and impact, perfectly designed for tough use in steel construction and installation work. Thanks to its tough cutting edges and outstanding HSS steel with a hardness of 64 HRC, the core drill bit also delivers an impressively long service life.|HM ULTRA 50 core drill bit: Thanks to its high-quality carbide cutting teeth with a hardness of 1450 HV, the core drill bit wins customers over with it outstanding cutting performance and very long service life in all metals.|L-BOXX system: Keep things stowed clearly, tidily and safely. Thanks to the tray for small parts, there is room for all accessories and the L-BOXXs can also be joined together and stacked with ease.|HSS NOVA 50 core drill bits, 50 mm cutting depth (1 each of diameter 12 / 14 / 16 / 18 / 20 / 22 mm)|HM ULTRA 50 core drill bits, 50 mm cutting depth (1 each of diameter 12 / 14 / 16 / 18 / 20 / 22 mm)|2 x 100 mm centring pins|1 cutting paste|1 L-BOXX 136 for accessories