Bit for Opsit® security fasteners
SecuFast bits, specially designed for the assembly and disassembly of Opsit® Security Fasteners.
The Opsit® is a sheet metal screw with a left-hand thread (A) and a Tri-Wing® recess. Available as a trusshead in stainless steel A2. Opsit® is a registered trademark of Tamperproof Screw & Co. Inc