3 pezzi/set 6-10 mm gambo HSS set punte trapano passo grande cono titanio punta foro taglierina
Two-Flute Spiral Groove Design: Enables a faster, more stable and smoother cutting. It can automatically chamfer the hole to clean the drill bit. HSS & Titanium Coated: Made of super strong HSS steel and coated with Titanium.