Description :

We are specialized in all kinds of screw driver bits, please send us your inquiry with size and quantity, we will offer you prices accordingly.

Specification :

1. Material: 6150 crv 52+/-2 hrc.

2. Material: s2 sttel, 60+/-2 hrc.

3. Finished: sand blasted/ black/ brass/ silver/ titanium.

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  Screw Molds