Trapano svasato per lavorazione legno 7 pezzi 5 flauti strumento smusso con chiave esagonale

Specially designed steel countersunk or countersink guide holes. Smooth and flat countersunk, and the nut is perfectly embedded in the surface of the workpiece. Item Type: Countersunk Drill Bit. 7 x Countersunk Drill Bit.

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