Wire Thread Inserts DIN 8140 (Helicoil Type) M2-M30 UNC/UNF, SS304/SS316 Free-Running and Self-Locking
Helical wire thread inserts in free-running and self-locking types, covering M2-M30 and UNC/UNF #2-1 inch. Made of SS304, SS316, Phosphor Bronze and Nitronic 60 for strong, reusable threads in soft metals.
Helical Wire Thread Insert
,Free-Running Self-Locking Inserts
,SS316 Nitronic 60 Thread Insert
Wire Thread Inserts — Free-Running & Self-Locking
High-performance helical wire thread inserts engineered to protect and reinforce tapped threads in aluminium, magnesium, cast iron and composite housings. Available in both free-running and self-locking configurations, in metric and imperial thread systems, they deliver reusable, wear-resistant threads with superior pull-out strength.
Key Features
- Dual Type Range: Free-running inserts for general assembly and self-locking inserts that resist vibration loosening without extra locking devices.
- Full Size Coverage: Metric M2–M30 and Imperial UNC/UNF #2–1".
- Premium Materials: Stainless Steel SS304 / SS316, Phosphor Bronze and Nitronic 60 for high-temperature and galling-resistant service.
- Metric & Imperial: One-stop supply for both thread standards.
- Robust Threads: Restores stripped threads and allows repeated disassembly.
Technical Specifications
| Insert Type | Free-Running & Self-Locking (Screw-Locking) |
|---|---|
| Thread System | Metric & Imperial |
| Metric Size Range | M2 to M30 |
| Imperial Size Range | UNC/UNF #2 to 1 inch |
| Material Options | SS304 / SS316 / Phosphor Bronze / Nitronic 60 |
| Standard | DIN 8140 / MS21209 |
| Finish | Passivated / Dry Film Lubricated |
| Installation Tooling | STI Tap, Insertion Tool, Tang Break-off Tool |
| Operating Temperature | -60 °C to +300 °C |
Applications
Aerospace, automotive, electronics, oil & gas, machinery housings and any application requiring strong, durable, re-usable threads in soft metals.
Why Choose Us
ISO 9001:2015 certified production, tight tolerance control, and flexible packaging for OEM/ODM programs. Contact us for samples and volume pricing.
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