Punte da trapano rivestite HSS ad alta durata design elegante 5 pezzi per vari usi
Coated HSS drill set with standard 1/4 "hex shank that will fit cordless screwdrivers, drills or use in standard drill chuck. 5pcs HSS Drilling Bit. Material:Hss 6542 Coated. nitride coating facilitates faster penetration with less effort.