UNF/UNC Free Running Helicoil Inserts are a new type of internally threaded industrial fasteners. They are generally made of high-quality stainless steel wire 304 (18-8) rolled into a diamond-shaped cross-section, and wound in the shape of a spring, it is a high-precision internal thread concentric body.
The use of wire thread inserts has achieved the goal of high-strength connection of low-strength metals (such as aluminum, aluminum-magnesium alloy, אאז"ו ו) and non-metallic materials (such as iron wood, פּלאַסטיק, nylon, PP, PE, אאז"ו ו). After a long period of time and Extensive industrial application practice has verified its feasibility and stability.

| צייכענונג נומ. | dXP | ק קסד | ל | וו | ד1 מין. מאַקס. | ב טאַפּ בויער גרייס | t3 מאַקס. | |
| פֿרייַ פליסנדיק | שרויף- שלאָס | |||||||
| ל 4010561 | ל 4012561 | 2-56 | 1ד | 2.2 | 3.0 | 2.7-2.9 | 2.4 | 1.8 |
| ל 4010562 | ל 4012562 | 1.5ד | 3.3 | 5.25 | 2.9 | |||
| ל 4010563 | ל 4012563 | 2ד | 4.4 | 7.4 | 3.9 | |||
| ל 4010564 | ל 4012564 | 2.5ד | 5.5 | 9.6 | 5.0 | |||
| ל 4010571 | ל 4012571 | 4- 40 | 1ד | 2.9 | 2.8 | 3.6-4.0 | 3.1 | 2.5 |
| ל 4010572 | ל 4012572 | 1.5ד | 4.3 | 4.8 | 3.9 | |||
| ל 4010573 | ל 4012573 | 2ד | 5.8 | 6.8 | 5.4 | |||
| ל 4010574 | ל 4012574 | 2.5ד | 7.2 | 8.8 | 6.8 | |||
| ל 4010581 | ל 4012581 | 5-40 | 1ד | 3.2 | 3.3 | 4.0-4.4 | 3.4 | 2.8 |
| ל 4010582 | ל 4012582 | 1.5ד | 4.8 | 5.5 | 4.3 | |||
| ל 4010583 | ל 4012583 | 2ד | 6.4 | 7.8 | 6.0 | |||
| ל 4010584 | ל 4012584 | 2.5ד | 7.9 | 10.0 | 7.5 | |||
| ל 4010591 | ל 4012591 | 6-32 | 1ד | 3.5 | 2.8 | 4.5-4.9 | 3.8 | 3.1 |
| ל 4010592 | ל 4012592 | 1.5ד | 5.3 | 4.8 | 4.9 | |||
| ל 4010593 | ל 4012593 | 2ד | 7.0 | 6.7 | 6.6 | |||
| ל 4010594 | ל 4012594 | 2.5ד | 8.8 | 8.7 | 8.4 | |||
| ל 4010601 | ל 4012601 | 8-32 | 1ד | 4.2 | 3.5 | 5.2-5.6 | 4.4 | 3.8 |
| ל 4010602 | ל 4012602 | 1.5ד | 6.3 | 5.9 | 5.9 | |||
| ל 4010603 | ל 4012603 | 2ד | 8.3 | 8.3 | 8.0 | |||
| ל 4010604 | ל 4012604 | 2.5ד | 10.5 | 10.7 | 10.1 | |||
| ל 4010611 | ל 4012611 | 10-24 | 1ד | 4.8 | 2.9 | 6.2-6.6 | 5.2 | 4.3 |
| ל 4010612 | ל 4012612 | 1..5ד | 7.2 | 5.0 | 6.7 | |||
| ל 4010613 | ל 4012613 | 2ד | 9.6 | 7.1 | 9.1 | |||
| ל 4010614 | ל 4012614 | 2.5ד | 12.1 | 9.2 | 11.6 | |||
| ל 4010621 | ל 4012621 | 12-24 | 1ד | 5.5 | 3.5 | 6.8-7.2 | 5.8 | 5.0 |
| ל 4010622 | ל 4012622 | 1.5ד | 8.2 | 5.9 | 7.7 | |||
| ל 4010623 | ל 4012623 | 2ד | 11.0 | 8.3 | 10.5 | |||
| ל 4010624 | ל 4012624 | 2.5ד | 13.7 | 10.7 | 13.2 | |||
| ל 4010631 | ל 4012631 | 1/4″-20 | 1ד | 6.4 | 3.4 | 8.0-8.4 | 6.7 | 5.8 |
| ל 4010632 | ל 4012632 | 1.5ד | 9.5 | 5.7 | 8.9 | |||
| ל 4010633 | ל 4012633 | 2ד | 12.7 | 8.0 | 12.1 | |||
| ל 4010634 | ל 4012634 | 2.5ד | 15.9 | 10.3 | 15.3 | |||
| ל 4010641 | ל 4012641 | 5/16″-18 | 1ד | 7.9 | 4.0 | 9.7-10.2 | 8.4 | 7.2 |
| ל 4010642 | ל 4012642 | 1..5ד | 11.9 | 6.6 | 11.2 | |||
| ל 4010643 | ל 4012643 | 2ד | 15.9 | 9.3 | 15.2 | |||
| ל 4010644 | ל 4012644 | 2.5ד | 19.8 | 11.9 | 19.1 | |||
| ל 4010651 | ל 4012651 | 3/8″-16 | 1ד | 9.5 | 4.4 | 11.5-12.0 | 10.0 | 8.7 |
| ל 4010652 | ל 4012652 | 1,.5ד | 14.3 | 7.2 | 13.5 | |||
| ל 4010653 | ל 401 2653 | 2ד | 19.1 | 10.1 | 18.3 | |||
| ל 4010654 | ל 401 2654 | 2.5ד | 23.8 | 12.9 | 23.0 | |||
| ל 4010661 | ל 4012661 | 7/16″-14 | 1ד | 11.1 | 4.5 | 13.4-14.0 | 11.6 | 10.2 |
| ל 4010662 | ל 4012662 | 1.5ד | 16.7 | 7.4 | 15.8 | |||
| ל 4010663 | ל 401 2663 | 2ד | 22.2 | 10.3 | 21.3 | |||
| ל 401 0664 | ל 4012664 | 2.5ד | 27.8 | 13.1 | 26.9 | |||
| ל 4010671 | ל 4012671 | 1/2″-13 | 1ד | 12.7 | 4.8 | 15.2-15.8 | 13.2 | 11.7 |
| ל 4010672 | ל 4012672 | 1.5ד | 19.1 | 7.9 | 18.1 | |||
| ל 4010673 | ל 4012673 | 2ד | 25.4 | 10.9 | 24.4 | |||
| ל 4010674 | ל 4012674 | 2.5ד | 31.8 | 13.9 | 30.8 | |||
Other sizes,special designs and materials on request.
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