Tamperproof Screw Co. Inc. M6 Tamper-Proof Security Spanner Nut - Zinc Alloy - Made In USA - Pkg of 50 p/n 1N.M6

#12 SPANNER SCREWDRIVER SECURITY FASTENERS PROVIDE AN ADDED LEVEL OF SECURITY BY THEIR DRIVE DESIGN THAT PREVENTS REMOVAL WITH ORDINARY SCREW DRIVERS. MATCHING SCREWDRIVER FOR SNAKE EYES SCREWS

#4 SPANNER SCREWDRIVER SECURITY FASTENERS PROVIDE AN ADDED LEVEL OF SECURITY BY THEIR DRIVE DESIGN THAT PREVENTS REMOVAL WITH ORDINARY SCREW DRIVERS. MATCHING SCREWDRIVER FOR SNAKE EYES SCREWS

M4 TAMPER RESISTANT HEX BIT - FOR M6 SCREWS SECURITY FASTENERS PROVIDE AN ADDED LEVEL OF SECURITY BY THEIR DRIVE DESIGN THAT PREVENTS REMOVAL WITH ORDINARY SCREW DRIVERS. MATCHING DRIVER BIT FOR...

5/16-18 BREAKAWAY NUT - NON-REMOVABLE - ALUMINUM - MADE IN USA - PKG OF 50 HEX NUT BREAKS AWAY WHEN NUT IS TIGHTENED LEAVING ONLY THE TAMPER-RESISTANT CONICAL PORTION. NO SPECIAL TOOL IS REQUIRED -...

3/8-16 BREAKAWAY NUT - NON-REMOVABLE - ALUMINUM - MADE IN USA - PKG OF 50 HEX NUT BREAKS AWAY WHEN NUT IS TIGHTENED LEAVING ONLY THE TAMPER-RESISTANT CONICAL PORTION. NO SPECIAL TOOL IS REQUIRED -...