zvd foret set 1535mm 5pcs, foret en bois de carbure haute vitesse en acier aile plate trou de forage charni re carbure c ment carbone foret

good material made from tungsten steel and heat treated, the blade features high precision, smooth cutting operation, good impact resistance and good toughness. high speed steel shank, solid suitable for drill press, hammer drill, drill press, vertical drill, hand held electric drill, stand motor dr