
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
Tamper Proof Screw Recess Types
Please choose from the recess shapes
















PIN-HEX

SCREWS

SCREWS

TAPPING SCREWS

TAPPING SCREWS

NO-PLUG SCREWS

CUP POINT
PIN 6-LOBE

BOLT


TAPPING SCREWS

TAPPING SCREWS

MACHINE SCREWS

MACHINE SCREWS

MACHINE SCREWS

MACHINE SCREWS
(FW)

MACHINE SCREWS
(SW)

SCREWS (SW+FW)

SCREWS
(SW+FW small)

SCREWS (RW+SW)
TYPE A

SCREWS TYPE A

SCREWS TYPE A

TAPPING SCREWS
TYPE A

FORMING SCREWS
TYPE B

SELF DRILL SCREW
2 HOLE

MACHINE SCREWS

MACHINE SCREWS

TAPPING SCREWS

TAPPING SCREWS

ONE-SIDE
SAKURA LOCK
FUJIYAMA LOCK
TRI-WING
TRICLE
PIN-CROSS RECESS
NON-RECESS
SYSTEM 5
SYSTEM 6
LAPIS
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.
TRF NUT SERIES
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.
Learn TRF® with MANGA!

