![](https://en.saima.co.jp/wp-content/uploads/2023/09/TRF_e.jpg)
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.
Tamper Proof Screw Recess Types
Please choose from recess shape
PIN-HEX
![](https://www.310ex.com/wp-content/uploads/2024/07/HE01_4-min.jpg)
BUTTON HEAD SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/HE02_4-min.jpg)
FLAT HEAD SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/HE03_4-min.jpg)
BUTTON HEAD
TAPPING SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/HE04_4-min.jpg)
FLAT HEAD TAPPING
![](https://www.310ex.com/wp-content/uploads/2024/07/HE62_4-min.jpg)
FLAT HEAD
NO-PLUG SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/HS01_4-min.jpg)
SOCKET SET SCREW
CUP POINT
PIN 6-LOBE
![](https://www.310ex.com/wp-content/uploads/2024/07/TX01_4-min.jpg)
BUTTON HEAD BOLT
![](https://www.310ex.com/wp-content/uploads/2024/07/TX02_4-min.jpg)
FLAT HEAD BOLT
![](https://www.310ex.com/wp-content/uploads/2024/07/TX03_4-min.jpg)
BUTTON HEAD
TAPPING SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/TX04_4-min.jpg)
FLAT HEAD
TAPPING SCREWS
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/09/tx11.jpg)
PAN HEAD
MACHINE SCREWS
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/09/tx12.jpg)
FLAT HEAD
MACHINE SCREWS
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/09/tx13.jpg)
TRUSS HEAD
MACHINE SCREWS
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/09/tx21.jpg)
PAN HEAD
MACHINE SCREWS(FW)
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/10/tx22-1.jpg)
PAN HEAD
MACHINE SCREWS(SW)
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/10/tx23-2.jpg)
PAN HEAD MACHINE
SCREWS (SW+FW)
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/10/tx24-2.jpg)
PAN HEAD MACHINE
SCREWS(SW+FW small)
![](https://www.310ex.com/wp-content/uploads/2024/07/TX25_4-min.jpg)
PAN HEAD TAPPING
SCREWS (RW+SW) TYPE A
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/10/tx31.jpg)
PAN HEAD TAPPING
SCREWS TYPE A
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/10/tx32.jpg)
FLAT HEAD TAPPING
SCREWS TYPE A
![](https://saima-copo.sakura.ne.jp/en/wp-content/uploads/2023/10/tx33.jpg)
TRUSS HEAD TAPPING
SCREWS TYPE A
![](https://www.310ex.com/wp-content/uploads/2024/07/TX34_4-min.jpg)
PAN HEAD THREAD
FORMING SCREWS TYPE B
![](https://www.310ex.com/wp-content/uploads/2024/07/TX05_4-min.jpg)
PAN HEAD
SELF DRILL SCREW
2 HOLE
![](https://www.310ex.com/wp-content/uploads/2024/07/SP01_4-min.jpg)
PAN HEAD
MACHINE SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/SP02_4-min.jpg)
FLAT HEAD
MACHINE SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/SP03_4-min.jpg)
PAN HEAD
TAPPING SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/SP04_4-min.jpg)
FLAT HEAD
TAPPING SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/SPNUT_4-min.jpg)
2 HOLE NUT
ONE-SIDE
SAKURA LOCK
FUJIYAMA LOCK
TRI-WING
![](https://www.310ex.com/wp-content/uploads/2024/07/TW01_4-min.jpg)
PAN HEAD
MACHINE SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/TW02_4-min.jpg)
FLAT HEAD
MACHINE SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/TW03_4-min.jpg)
PAN HEAD
TAPPING SCREWS
![](https://www.310ex.com/wp-content/uploads/2024/07/TW62_4-min.jpg)
FLAT HEAD
NO-PLUG SCREWS
TRICLE
PIN-CROSS RECESS
NON-RECESS
SYSTEM 5
SYSTEM 6
LAPIS
RECESS INNER
TRF NUT SERIES
APPLICATIONS
Click on the image to enlarge
![](https://en.saima.co.jp/wp-content/uploads/2023/09/trf-sample01-150x150.jpg)
![](https://en.saima.co.jp/wp-content/uploads/2023/09/trf-sample02-150x150.jpg)
![](https://en.saima.co.jp/wp-content/uploads/2023/09/trf-sample03-150x150.jpg)
![](https://en.saima.co.jp/wp-content/uploads/2023/09/trf-sample04-150x150.jpg)
![](https://en.saima.co.jp/wp-content/uploads/2023/09/trf-sample05-150x150.jpg)
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.
WEB SHOP
Shipment from 1 small package. Credit Card Payment is available.