Possono essere utilizzate sia manualmente che con l'ausilio di una trapanatrice o di una trapano-avvitatore

per una pratica maneggevolezza

with a small serrated cutting center surrounded by a carbide cutting ring

intensive demolition

a well-known manufacturer of DIY and woodworking tools and equipment

2608585881 - Punte per metallo HSS-Co, DIN 338 4,1 x 43 x 75 mm accessori-per-aspiratori Possono essere utilizzate sia manualmenteThe HSS cobalt metal drill bit guarantees a long service life when drilling stainless steel. The long service life is achieved by the 5% cobalt alloy and the fully ground high speed steel (HSS), which provide excellent surface quality and considerable heat and wear resistance. Double fluted and double spiral fluted for rapid chip removal and a longer service life of the drill bit. For alloyed and unalloyed steel up to a tensile strength of 1000 N mm,