Tri-Wing Security Screws
- Product Name: Precision Tri-Wing Security Screws
- Size: M1.4 × 6 mm
- Material: 1018A Carbon Steel
- Head Type: Low Profile Pan Head
- Drive Type: Tri-Wing / Y-Type Security Recess
- Thread Type: Machine Thread
- Surface Finish: Black Coating
- Manufacturing Process: Cold Heading + Precision Thread Rolling
- Tolerance Control: Suitable for miniature precision assemblies
Project Overview of Tri-Wing Security Screws
This project involved manufacturing an ultra-miniature precision fastening solution for compact electronic assemblies requiring anti-tamper performance and stable installation.
The fastener adopts a Tri-Wing (Y-Type Security) recess design, offering improved unauthorized disassembly resistance while maintaining efficient automated screwdriver engagement for mass production environments.
With a compact M1.4 × 6mm specification, the screw is suitable for lightweight structures and precision components where space limitation and appearance consistency are critical.

Superior Features of Tri-Wing Security Screws
Ultra-Miniature Precision Design
Manufactured at M1.4 diameter, ensuring dimensional consistency and stable fastening performance for compact products.
Tri-Wing Anti-Tamper Structure
The Y-shaped recess helps reduce accidental removal using common tools and improves product security in consumer and industrial applications.
Stable Thread Engagement
Precision-rolled threads provide smooth installation and consistent torque transmission while minimizing assembly defects.
High Surface Consistency
Black surface treatment improves visual appearance and offers basic corrosion resistance for indoor applications.
Typical Applications of Tri-Wing Security Screws
- Consumer electronics
- Bluetooth devices
- Smart wearable products
- Miniature control modules
- Precision instrument housings
- Portable electronic assemblies
- Security-sensitive small devices
Manufacturing Capability of KENENG for Customized Precision Tri-Wing Security Screws
KENENG supports customized production for:
✓ Micro screw development
✓ Custom recess structures
✓ Surface treatment options
✓ Small batch to mass production
✓ OEM / ODM projects
Available from M1.0 and above with customized length, drive system and finishing options.
Need a custom miniature screw?
Send us your drawing, sample or application requirements — our engineering team can support rapid evaluation and production.

























