| Customization: | Available |
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| Material: | Stainless Steel |
| Type: | Common |
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The locking thread insert is a new variety developed on the basis of the ordinary thread insert. There is one circle or multiple polygonal thread locking rings in the middle part of the locking thread insert. When the bolt is screwed into the threaded hole of the locking thread insert and the bolt enters the polygonal locking ring, the polygon needs to be expanded to deform the locking edge. At this time, the screw needs to overcome the friction force given by the locking edge when being screwed in. After the screw is tightened, this friction force can prevent the screw from loosening by itself. The thread locking and anti-loosening performance of the locking thread insert is superior to that of some other common locking devices, with higher strength and it can also be disassembled repeatedly.
The locking thread insert is a new type of internal thread fastener. It is made of corrosion-resistant diamond-shaped section steel wire with high strength, high precision and high surface quality. Its appearance is like a spring. When the locking thread insert is installed in the threaded hole, the outer surface of the locking thread insert fits on the threaded hole by elastic force, and its inner surface forms a new thread for screwing in screws or bolts, so that the screws or bolts do not directly contact the base body, protecting the base body and the screws, and playing the roles of prolonging the service life of the thread, increasing the connection strength of the thread, increasing the stress surface of the thread, increasing the bearing capacity and anti-fatigue strength of the thread connection, and preventing loosening due to earthquake.
Locking thread insert products are commonly used in aerospace industry, shipbuilding industry, automotive power machinery, hydraulic transmission machinery, pneumatic tools, mold manufacturing and assembly, pneumatic components, chemical fibers, textiles, machinery, optical instruments, electrical appliances, high-voltage switches, automotive repair and other industries' products and equipment.
| Number of coil turns of the thread insert | |||||||
| Specification | 1D | 1.5D | 2D | 2.5D | 3D | Outer diameter before installation | Drill bit diameter |
| St1.6×0.35 | 3.1 | 4.5 | 6.2 | 2.1~2.3 | 1.6 | ||
| St2×0.4 | 3.2 | 5.3 | 7.4 | 9.5 | 11.6 | 2.5~2.8 | 2.1 |
| St2.5×0.45 | 3.6 | 5.9 | 8.2 | 10.5 | 12.8 | 3.2~3.5 | 2.6 |
| St3×0.5 | 4.2 | 6.8 | 9.4 | 12 | 14.6 | 3.7~4.0 | 3.1 |
| St4×0.7 | 4 | 6.6 | 9.1 | 11.7 | 14.2 | 5.0~5.3 | 4.2 |
| St5×0.8 | 4.4 | 7.1 | 9.9 | 12.6 | 15.3 | 6.3~6.6 | 5.2 |
| St6×1.0 | 4.3 | 6.9 | 9.6 | 12.2 | 14.9 | 7.5~7.9 | 6.3 |
| St8×1.25 | 4.8 | 7.7 | 10.6 | 13.5 | 16.5 | 9.8~10.1 | 8.3 |
| St10×1.5 | 5 | 8.1 | 11.2 | 14.2 | 17.3 | 12~12.5 | 10.4 |
| St12×1.75 | 5.3 | 8.4 | 11.6 | 14.8 | 18 | 14.3~14.8 | 12.4 |
| St14×2 | 5.4 | 8.7 | 11.9 | 15.2 | 18.40 | 16.7~17.2 | 14.5 |
| St16×2 | 6.3 | 10.00 | 13.7 | 17.5 | 21.2 | 18.8~19.4 | 16.5 |
Xinxiang Jinbeike Machinery Co., Ltd. was established in 2017. With high-quality strategies and marketing concepts, it provides the best services to domestic and foreign customers. Our company has now passed ISO9001:2015, IATF16949: 2009, SGS, and ROHS certifications. Our main products include: wire thread inserts, tailless thread inserts, self-tapping thread inserts, pin-type thread inserts, etc., as well as related supporting installation tools. The company's products have been widely used in aerospace, new energy vehicles, high-speed rail, power equipment, microelectronics, mobile phone communications, medical equipment and other fields. Welcome your consultation and negotiation.
Q: how can we guarantee quality?
A: Always a pre-production sample before mass production;
Always final Inspection before shipment;
Q: what can you buy from us?
A: thread inserts;tailless inserts;thread repair kit;thread insert tools;self-tapping thread inserts;keyserts;colored screw sleeve;locking thread insert;blind hole thread insert.
Q: why should you buy from us not from other suppliers?
A: Our company is a professional manufacturer of thread inserts and tools. Xinxiang, a powerful industrial city in Central China,has been engaged in thread nesting industry for more than 20 years.
Q: what services can we provide?
A: Accepted Delivery Terms: FOB,EXW,Express Delivery;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T,L/C,MoneyGram,Western Union;
Language Spoken:English,Chinese.
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