• Automotive: Engine components, suspension systems, and interior fittings.
Wire Thread Inserts: The Ultimate Solution for Superior Thread Protection and Connection
Why Choose Our Self-Tapping Inserts?

1. Enhanced Thread Strength
Our wire thread inserts are made from high - strength, precision - rolled stainless steel wire. When installed in a threaded hole, they create a robust internal thread that can withstand higher loads and torque compared to standard threads in soft or weak materials. This is especially beneficial when working with materials such as aluminum, magnesium, plastics, or cast iron, where the base material's threads may be prone to stripping or wear.
2. Superior Wear Resistance
Designed for applications that involve frequent assembly and disassembly, our wire thread inserts offer exceptional wear resistance. The smooth, hard surface of the insert reduces friction between the screw and the thread, minimizing wear and extending the lifespan of the threaded connection. This means fewer replacements and less downtime, saving you both time and money in the long run.
3. Shock and Vibration Resistance
In environments where shock and vibration are a concern, our wire thread inserts provide a reliable solution. The spring - like nature of the wire coil helps to absorb and dampen vibrations, preventing loosening of the screw over time. This makes them ideal for use in automotive engines, industrial machinery, and aerospace applications, where a secure and vibration - proof connection is critical.
4. Easy Installation and Repair
Installing our wire thread inserts is a straightforward process that requires only basic tools. With our comprehensive installation guide and specialized installation tools (available separately), you can quickly and easily insert the wire thread insert into the pre - tapped hole. Additionally, in the event of a damaged or stripped thread, our wire thread inserts can be used to repair the thread, eliminating the need to replace the entire component. This makes them a cost - effective solution for both new installations and maintenance applications.
5. Wide Range of Applications
Our wire thread inserts are suitable for a diverse range of industries and applications, including:
• Aerospace: Aircraft structures, engine parts, and avionics equipment.
• Electronics: Circuit boards, enclosures, and connectors.
• Industrial Machinery: Gearboxes, pumps, and conveyors.
• Medical Devices: Implants, surgical instruments, and diagnostic equipment.
• Furniture and Fixtures: Wooden and metal furniture, cabinets, and fixtures.
Wire Thread Insert Parameters
|
Product name |
Wire thread insert |
|
Material |
SUS304/SUS316/SUS321/InX750/Brass/Customized |
|
Surface color |
None / Eco-friendly plating |
|
Surface coating |
Silver/tin/cadmium/zinc/other |
|
Thread type |
Metric,Inc UNC, UNF |
|
Metric Size |
M1.4*0.3P~M85*6.0P |
|
Inch UNC Size |
1-64~11/2“-6 |
|
Inch UNF Size |
4-48~11/2“-12 |
|
Production standard |
MS21209/DIN8140/N926/ITN32760/MO-44421 |
Wire thread insert Common specifications parameter list
|
Diameter |
Pitch |
d |
(Dz) |
Bit diameter |
|
|
(d) |
(P) |
(do) |
|||
|
Metric |
|||||
|
M1.6 |
0.35 |
1d/1.5/2d/2.5d/3d |
2.08-2.18 |
1.7 |
|
|
M2 |
0.4 |
1d/1.5/2d/2.5d/3d |
2.60~2.80 |
2.1 |
|
|
M2.5 |
0.45 |
1d/1.5/2d/2.5d/3d |
3.30~3.50 |
2.6 |
|
|
M3 |
0.5 |
1d/1.5/2d/2.5d/3d |
3.80~4.00 |
3.2 |
|
|
M4 |
0.7 |
1d/1.5/2d/2.5d/3d |
5.05~5.25 |
4.2 |
|
|
M5 |
0.8 |
1d/1.5/2d/2.5d/3d |
6.35~6.60 |
5.2 |
|
|
M6 |
1 |
1d/1.5/2d/2.5d/3d |
7.60~7.85 |
6.3 |
|
|
M7 |
1 |
1d/1.5/2d/2.5d/3d |
8.65~8.90 |
7.3 |
|
|
M8 |
1.25 |
1d/1.5/2d/2.5d/3d |
9.85~10.10 |
8.4 |
|
|
M10 |
1.25 |
1d/1.5/2d/2.5d/3d |
12.10~12.50 |
10.4 |
|
|
M11 |
1.5 |
1d/1.5/2d/2.5d/3d |
13.10~13.50 |
11.5 |
|
|
M12 |
1.75 |
1d/1.5/2d/2.5d/3d |
14.40~14.80 |
12.5 |
|
|
Inch |
|||||
|
2-56 (0.086) |
0.435 |
1d/1.5d/2d/2.5d |
2.7~2.9 |
2.4 |
|
|
4-40 (0.112) |
0.635 |
1d/1.5d/2d/2.5d |
3.6~4.0 |
3.1 |
|
|
5-40 (0.125) |
0.635 |
1d/1.5d/2d/2.5d |
4.0~4.4 |
3.4 |
|
|
6-32 (0.138) |
0.794 |
1d/1.5d/2d/2.5d |
4.5~4.9 |
3.8 |
|
|
8-32 (0.164) |
0.794 |
1d/1.5d/2d/2.5d |
5.2~5.6 |
4.4 |
|
|
10-24 (0.190) |
1.058 |
1d/1.5d/2d/2.5d |
6.2~6.6 |
5.2 |
|
|
12-24 (0.216) |
1.058 |
1d/1.5d/2d/2.5d |
6.8~7.2 |
5.8 |
|
|
1/4"-20 |
1.27 |
1d/1.5d/2d/2.5d |
8.0~8.4 |
6.7 |
|
|
5/16"-18 |
1.411 |
1d/1.5d/2d/2.5d |
9.7~10.2 |
8.4 |
|
|
3/8"-16 |
1.588 |
1d/1.5d/2d/2.5d |
11.5~12.0 |
10 |
|





