Ensemble impediment of 6 pieces of press and vis a tige hexagonal en acier rapide 4341 pour le perçage, le taraudage and le chanfreinage.

Taps and dies are essential to make or re-thread a screw, a nut or any other mechanical element. The three-piece tap sets are the most commoly used and the tap wrench is as important as the die stock for a proper tapping. Drilling is required before tapping.