10 pz punte trapano a torsione 1 mm-20 mm M35 HSS-CO punta trapano a torsione per acciaio inox
M35 alloyed HSS steel with 5% Cobalt content. 10 x HSS Cobalt Gold Drill (Multiple choices). 135° split point from 3mm and above eradicates the need to pre-drill or centre punch. Prevents walking and enables faster penetration.