42 σε 1 κράμα τρυπάνι bit αντίκτυπου bit σετ διακόσμησης Ηλεκτρικά εργαλεία διακόσμησης

1. The bit is made of S2 steel, with strong torque output
2. Heat treatment process, good hardness and toughness
3. Steel body integrated, strong and durable
4. Set storage box, easy to carry and not easy to lose
5. Widely applicable to various electrical appliances, automobiles, mechanical maintenance, interior decoration, etc.
6. Scope of use: suitable for most hand electric drills/lithium electric drills on the market
7. Hand drill clamping range: 0.8-10mm
8. Impact drill clamping range: 1.5-13mm
9. Electric screwdriver clamping range: about 6.35mm