CHARASTARISTIC

Anti-theft and High Security.
Difficult to remove without special tool.


Stock ranges from M2 to M12!
Quick delivery 1 single piece.


14 types of unique recess shapes are in stock.
Credit card payment (VISA/MASTER) available.
Not only screws but also nuts are available.


We are selling from 1 single piece. Please feel free to contact us.

Learn TRF® with MANGA!

Tamper Proof Screw Recess Types

Please choose from recess shape

Pin 6-lobe
Pin Hex
2 Hole
One-side
Tri-wing
Sakura Lock
Tricle
Fujiyama Lock
Pin Cross Recess
Non Recess
System 5
System 6
Lapis
Candy Nut
Recess Inner
TRF Nut Series
TRF® Catalog

PIN 6-LOBE

PIN 6-LOBE
BUTTON HEAD BOLT
PIN 6-LOBE
FLAT HEAD BOLT
PIN 6-LOBE
BUTTON HEAD
TAPPING SCREWS
PIN 6-LOBE
FLAT HEAD
TAPPING SCREWS
PIN 6-LOBE
PAN HEAD
MACHINE SCREWS
PIN 6-LOBE
FLAT HEAD
MACHINE SCREWS
PIN 6-LOBE
TRUSS HEAD
MACHINE SCREWS
PIN 6-LOBE
PAN HEAD
MACHINE SCREWS(FW)
PIN 6-LOBE
PAN HEAD
MACHINE SCREWS(SW)
PIN 6-LOBE
PAN HEAD MACHINE
SCREWS (SW+FW)
PIN 6-LOBE
PAN HEAD MACHINE
SCREWS(SW+FW small)
PIN 6-LOBE
PAN HEAD TAPPING
SCREWS (RW+SW) TYPE A
PIN 6-LOBE
PAN HEAD TAPPING
SCREWS TYPE A
PIN 6-LOBE
FLAT HEAD TAPPING
SCREWS TYPE A
PIN 6-LOBE
TRUSS HEAD TAPPING
SCREWS TYPE A
PIN 6-LOBE
PAN HEAD THREAD
FORMING SCREWS TYPE B
PIN 6-LOBE
PAN HEAD
SELF DRILL SCREW

PIN-HEX

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

2 HOLE

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

ONE-SIDE

ONE-SIDE
PAN HEAD
MACHINE SCREWS
ONE-SIDE
ROUND HEAD
TAPPING SCREWS

TRI-WING

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

SAKURA LOCK

SAKURA LOCK
BUTTON BOLT
SAKURA LOCK
FLAT BOLT

TRICLE

TRICLE WITH
PIN BUTTON BOLT
TRICLE WITH
PIN FLAT HEAD BOLT

FUJIYAMA LOCK

FUJIYAMA LOCK
BUTTAN BOLT
FUJIYAMA LOCK
Fujiyama Nut

PIN-CROSS RECESS

PIN-CROSS RECESS
PAN HEAD MACHINE SCREWS

NON-RECESS

NON-RECESS TRF

SYSTEM 5

SYSTEM 5
MACHINE SCREWS

SYSTEM 6

SYSTEM 6
MACHINE SCREWS

LAPIS

LAPIS
FLAT HEAD
MACHINE SCREWS
LAPIS
TRUSS HEAD
MACHINE SCREWS

CANDY NUT

CANDY NUT

RECESS INNER

Recess Inner
BARNACLE
Recess Inner
FLAT
Recess Inner
PLASTIC White
Recess Inner
PLASTIC Black

TRF NUT SERIES

Tamper Resistant Nut Series
2 HOLE NUT
Tamper Resistant Nut Series
CANDY NUT
Tamper Resistant Nut Series
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

WEB SHOP

Shipment from 1 small package. Credit Card Payment is available.

WEB SHOP