Set 5 pezzi quattro punte per trapano a gradino flauto spirale e 5 pezzi punte svasate con T

NITRIDING BIT KIT: Our 10 Pcs nitriding step and countersink bits set includes a range of sizes to cater to various drilling needs. Countersink Drill Bits sizes1/4", ”3/8", 1/2", 5/8", 3/4". Each drill bit is carefully inspected at the factory to ensure superior quality and longevity.

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