Set 5 pezzi punte per trapano a gradini 5 pezzi punte svasate rivestite in titanio, punte per gradini HSS

Included Components 5Pcs Step Drill Bit & 5Pcs Countersink Drill Bit Set. Material High Speed Steel (HSS). Material Type High Speed Steel (HSS). Drill Bits Set: This unit step drill bit includes 5 step bit in sizes 3/16-1/2", 1/8-1/2", 1/4-3/4", 3/16-7/8", 1/4-1-3/8", effectively replacing 50 sizes of conventional drill bits.

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