Comment_Threaded Screwdriver Bit | Screw Shank Drive bit

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Threaded Screwdriver Bit | Screw Shank Drive bit

Threaded Screwdriver Bit Material:TaiWan S2 Steel,Hardness HRC 59°,Special heat ****eatment techniques HRC 57°. Surface option: TIN, Nickelplate, Chromeplate, B...

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