Features

  • Anti-theft and High Security. Difficult to remove without special tool.
  • 14 types of unique recess shapes are in stock. Not only screws but also nuts are available.
  • Stock ranges from M2 to M12!
  • We are selling from 1 single piece.
  • RoHS Directive Compliant Product
TRF® Catalog
Learn TRF® with MANGA!

Tamper Proof Screw Recess Types

Please choose from the recess shapes

PIN-HEX
PIN
6-LOBE
2 HOLE
ONE-SIDE
SAKURA
LOCK
FUJIYAMA
LOCK
TRI-WING
TRICLE
PIN-CROSS
RECESS
NON-
RECESS
SYSTEM 5
SYSTEM 6
LAPIS
RECESS
INNER
TRF NUT
SERIES
TRFTools

PIN-HEX

BUTTON HEAD
SCREWS
FLAT HEAD
SCREWS
BUTTON HEAD
TAPPING SCREWS
FLAT HEAD
TAPPING SCREWS
FLAT HEAD
NO-PLUG SCREWS
SOCKET SET SCREW
CUP POINT

PIN 6-LOBE

BUTTON HEAD
BOLT
FLAT HEAD BOLT
BUTTON HEAD
TAPPING SCREWS
FLAT HEAD
TAPPING SCREWS
PAN HEAD
MACHINE SCREWS
FLAT HEAD
MACHINE SCREWS
TRUSS HEAD
MACHINE SCREWS
PAN HEAD
MACHINE SCREWS
(FW)
PAN HEAD
MACHINE SCREWS
(SW)
PAN HEAD MACHINE
SCREWS (SW+FW)
PAN HEAD MACHINE
SCREWS
(SW+FW small)
PAN HEAD TAPPING
SCREWS (RW+SW)
TYPE A
PAN HEAD TAPPING
SCREWS TYPE A
FLAT HEAD TAPPING
SCREWS TYPE A
TRUSS HEAD
TAPPING SCREWS
TYPE A
PAN HEAD THREAD
FORMING SCREWS
TYPE B
PAN HEAD
SELF DRILL SCREW

2 HOLE

PAN HEAD
MACHINE SCREWS
FLAT HEAD
MACHINE SCREWS
PAN HEAD
TAPPING SCREWS
FLAT HEAD
TAPPING SCREWS
2 HOLE NUT

ONE-SIDE

PAN HEAD
MACHINE SCREWS
ROUND HEAD
TAPPING SCREWS

SAKURA LOCK

BUTTON BOLT
FLAT BOLT

FUJIYAMA LOCK

BUTTON BOLT
FUJIYAMA NUT

TRI-WING

PAN HEAD
MACHINE SCREWS
FLAT HEAD
MACHINE SCREWS
PAN HEAD
TAPPING SCREWS
FLAT HEAD
NO-PLUG SCREWS

TRICLE

PIN BUTTON BOLT
PIN FLAT HEAD BOLT

PIN-CROSS RECESS

PAN HEAD
MACHINE SCREWS

NON-RECESS

NON-RECESS TRF

SYSTEM 5

MACHINE SCREWS

SYSTEM 6

MACHINE SCREWS

LAPIS

FLAT HEAD
MACHINE SCREWS
TRUSS HEAD
MACHINE SCREWS

RECESS INNER

Recess Inner is a product that prevents tampering by inserting the unique part into the sockets of hex cap.
Improving safety and reducing the risk of destruction or disassembly on your machines and systems.

BARNACLE
FLAT
PLASTIC WHITE
PLASTIC BLACK

TRF NUT SERIES

2 HOLE NUT
CANDY NUT
FUJIYAMA NUT

APPLICATIONS

Click on the image to enlarge

Public Security

  • Vending Machine
  • Public Phone
  • Toilet
  • Play Ground
  • Hospital
  • Solar Panel
  • Bus Stop Time Table etc..

Home Security

  • Gas Meter
  • Door Know
  • Car License Plate
  • Window Frame
  • Parking Pole etc…

Our TRF Products are used in various occasions.

More Applications

Learn TRF® with MANGA!