Round Corner Wire Thread Insert (Type R)
Product introduction
The Round Corner Wire Thread Insert utilizes a helical coil design and features a 30° trapezoidal rounded-corner thread profile at the connection end, significantly enhancing the reliability of threaded connections in engineering machinery and equipment.
Key Benefits
• ✔ Reduced Stress Concentration: Rounded edges prevent damage to soft base materials.
• ✔ Superior Fatigue Resistance: Ideal for engines, turbines, and vibrating machinery.
• ✔ Thread Repair & Reinforcement: Restores stripped threads in aluminum, magnesium, or cast iron.
|
Parameter |
Details |
|
Material |
Stainless Steel (304/316), Inconel®, Phosphor Bronze |
|
Standards |
DIN 8140, NASM 20626, SAE AS8879 |
|
Size Range |
M2 to M36 (Custom sizes available) |
|
Temperature Range |
-200°C to +800°C |
|
Key Feature |
Rounded corner minimizes notch effect during installation |
Applications
Aerospace: Engine casings, landing gear components.
Automotive: Turbochargers, transmission systems.
Industrial: Hydraulic systems, marine equipment.
Partial specification parameter
|
Diameter |
Pitch |
d |
(Dz) |
Bit diameter |
1000 PCS/weight |
|
(d) |
(P) |
(do) |
(Kg) |
||
|
M1.6 |
0.35 |
1d |
2.08-2.18 |
1.7 |
0.01 |
|
1.5d |
0.02 |
||||
|
2d |
0.04 |
||||
|
2.5d |
0.05 |
||||
|
3d |
0.06 |
||||
|
M2 |
0.4 |
1d |
2.60～2.80 |
2.1 |
0.02 |
|
1.5d |
0.03 |
||||
|
2d |
0.05 |
||||
|
2.5d |
0.06 |
||||
|
3d |
0.07 |
||||
|
M2.5 |
0.45 |
1d |
3.30～3.50 |
2.6 |
0.03 |
|
1.5d |
0.06 |
||||
|
2d |
0.08 |
||||
|
2.5d |
0.1 |
||||
|
3d |
0.12 |
||||
|
M3 |
0.5 |
1d |
3.80～4.00 |
3.2 |
0.07 |
|
1.5d |
0.11 |
||||
|
2d |
0.14 |
||||
|
2.5d |
0.18 |
||||
|
3d |
0.22 |
||||
|
M4 |
0.7 |
1d |
5.05～5.25 |
4.2 |
0.12 |
|
1.5d |
0.2 |
||||
|
2d |
0.27 |
||||
|
2.5d |
0.38 |
||||
|
3d |
0.45 |
||||
|
M5 |
0.8 |
1d |
6.35～6.60 |
5.2 |
0.22 |
|
1.5d |
0.36 |
||||
|
2d |
0.49 |
||||
|
2.5d |
0.68 |
||||
|
3d |
0.8 |
||||
|
M6 |
1 |
1d |
7.60～7.85 |
6.3 |
0.41 |
|
1.5d |
0.67 |
||||
|
2d |
0.91 |
||||
|
2.5d |
1.2 |
||||
|
3d |
1.5 |
||||
|
M7 |
1 |
1d |
8.65～8.90 |
7.3 |
0.8 |
|
1.5d |
1.23 |
||||
|
2d |
1.66 |
||||
|
2.5d |
2 |
||||
|
3d |
2.4 |
||||
|
M8 |
1.25 |
1d |
9.85～10.10 |
8.4 |
0.94 |
|
1.5d |
1.51 |
||||
|
2d |
2.07 |
||||
|
2.5d |
2.8 |
||||
|
3d |
3.4 |
||||
|
M10 |
1.25 |
1d |
12.10～12.50 |
10.4 |
1.75 |
|
1.5d |
3.05 |
||||
|
2d |
4.36 |
||||
|
2.5d |
5.66 |
||||
|
3d |
7 |
||||
|
M11 |
1.5 |
1d |
13.10～13.50 |
11.5 |
2.44 |
|
1.5d |
4.36 |
||||
|
2d |
6.29 |
||||
|
2.5d |
8.2 |
||||
|
3d |
10.2 |
||||
|
M12 |
1.75 |
1d |
14.40～14.80 |
12.5 |
2.95 |
|
1.5d |
4.91 |
||||
|
2d |
6.67 |
||||
|
2.5d |
8.47 |
||||
|
3d |
11 |