TRI WING Pan Head Tapping Screws Black finished TRF is one of the Tamper Resistant Fasteners.

AVILABLE SIZES & UNIT PRICES:

MATERIAL : STAINLESS STEEL (SUS304)

PACKAGE :

TRF demonstrates its effectiveness against theft of screw assembled parts and unauthorized disassembly of public facilities.

TRF is; 

Simple and instant security !
     Increase the security and safety by using TRF!

Cost Effective ! 
     Simple replacement of regular fastener to TRF doesn’t require change of the design.

RoHS compliant !
     Regular TRFs are made of stainless 304 A2.
     Plating of steel made TRF is Trivalent Chrome (Cr-3), Free of hexavalent chromium (Cr-6). 

5 TIPS for maximizing security with TRF

1.   Choose flat head screw and avoid being grabbed.
         No pliers can grab the screw head if it properly placed on flat surface.

2.   Choose button head screw over pan head.
         Avoid perpendicular side wall, button head has more round side wall than pan head.

 
3.   Avoid exposure of screw head, especially when using with washers.
        Spot facing is recommended when washers are used.

4.   Use rosette washers with flat head screw.
        Rosette washer covers side wall of flat head screw.  
        They are individual parts; rotation of washer will not make the screw to be loose.

5.   Use various types of TRFs to a single subject.
        Each type of TRF requires special tool individually.
        It may be troublesome at assembly but it surely gives more trouble to the one whom without

        proper tools.