200 mm HSS punta trapano a torsione cobalto extra lunga gambo M35 2 mm-13 mm per acciaio metallo
M35 alloyed HSS steel with 5% Cobalt content. 1 x Premium Quality HSS Cobalt Gold Drill. 135° split point from 3mm and above eradicates the need to pre-drill or centre punch. Prevents walking and enables faster penetration.