Center Drills - Cutting-Tools 24
Drills (a.k.a. centering drills) are rotary tools used to drill for later holes - they allow you to make nuts in one operation.
What are drill bits used for ?
They facilitate work by precentering the drill bit. There are four types of rebores: ordinary, protected, curved and VHM (widia).
Filtry
Gwintowniki Ręczne Metryczne