Opsit® security fasteners

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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

Bit for Opsit® security fasteners

SecuFast bits, specially designed for the assembly and disassembly of Opsit® Security Fasteners.

Self tapping sheet metal screw | left-hand thread (A): the Opsit® | buttonhead

The Opsit® is a sheet metal screw with a left-hand thread (A) and a Tri-Wing® recess. Available as a buttonhead in stainless steel A2.