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Description:

Security Screw
Tamper Resistant Fastener
Material: Stainless, Black finished
Environmental Friendly Product(Compliant to RoHS)

TRF TRI WING FlatHead Machine Security Screws wholesale fastenersVietnam

 

TRIWING Flat Head Machine Screws Blackfinished TRF is one of the TamperResistant Fasteners  .

 

               

 

	M3	M4	M5	M6	M8
dk	5.5	8.4	9.3	11.3	15.8
k	1.65	2.7	2.7	3.3	4.65
DriveSize	W2	W4	W5	W6	W7

 

 

AVILABLE SIZES & UNITPRICES: 

 

 

MATERIAL : STAINLESS STEEL (SUS304)

 

 

PACKAGE :

  

TRF demonstrates its effectiveness against theft of screwassembled parts and unauthorized disassembly of publicfacilities.

 

 

 

  

 

TRF is; 

Simple and instantsecurity !
     Increase the security and safety by usingTRF!

 

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

 

RoHS compliant!
     Regular TRFs aremade of stainless 304 A2.
     Plating of steel made TRFis Trivalent Chrome (Cr-3), Freeof hexavalent chromium (Cr-6). 

 

 

5 TIPS for maximizing security withTRF

1.   Chooseflat head screw and avoid being grabbed.
         No pliers can grabthe screw head if it properly placed on flat surface.

  

         

 

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

  

          

 
3.   Avoidexposure of screw head, especially when using with washers.
        Spot facing is recommendedwhen washers are used.

 

          

 

4.   Userosette washers with flat head screw.
        Rosette washer covers sidewall of flat head screw.  
        They are individualparts; rotation of washer will not make the screw to be loose.

 

       

 

5.   Use various typesof TRFs to a single subject.
        Each type of TRFrequires special tool individually.
        It may be troublesome atassembly but it surely gives more trouble to the one whomwithout

        propertools.

 

        

 

 

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