Bridge Fasteners has been a leading supplier of Fasteners, nuts, bolts, stainless hardware and contractor products for over 30 years. Quality you can trust! Security fasteners also called 6 Pin-In, torx, pin-in- star or tamper resistance They are available in both sheet metal and machine threads.Our tamper resistant screws provide a higher level of security for you with their drive design, which prevents removal with normal screw drivers. We offer a large number of head-styles, driver kits and matching tools for installation and removal. These tamper resistant screws are suitable for providing tamperproof fastening for a wide range of applications. Tamper prooff resistant screws will allow you to save thousands of dollars by protecting you from such things as theft, vandalism, corrosion, and tampering.