Products
Security Screw

Just for special tools can be pull out screws , it is a best choice for car , security door etc where need to be anti-thefted .

Head drive : 1. Start drive with pin in the centre .
                   2. Trangle drive
                   3. 3 to 6 pilots on the top of head
                   4. holes on the top of head

Head Style :Please find " Screw basic Knowledge "  in Technology Show .                      

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