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The wire thread insert is a new type of internal thread fastener. It is a helical coil precisely processed from high-strength, high-precision, and smooth-surfaced cold-rolled rhombic stainless steel wire, and is a concentric body of high-precision internal and external threads. After the wire thread insert is installed, a high-precision internal thread that conforms to international standards is formed, and its various performances are superior to the internal thread formed directly by tapping.
After the wire thread insert is installed, the tolerance of the threaded hole depends on the manufacturing tolerance of the wire thread insert profile and the tolerance zone of the threaded hole for installing the wire thread insert. The threaded tolerance of the installation hole mainly depends on the tapping accuracy of the installation hole for the wire thread insert. Usually, it forms a 6H grade, and when the accuracy is high, it can reach a tolerance zone of 5H or 4H grade. The user of the wire thread insert can select a special tap, tapping method (manual tapping, machine tapping), and lubrication method according to the required tolerance zone to ensure that the accuracy and any usage requirements you require are met.
| 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 and is located in Xinxiang, Henan, China. Through the company's development and technological improvement, it has now become a leading supplier in the fastener manufacturing industry. It has also been rated as a 3A-level enterprise by Xinxiang City many times. The global mission statement of Jinbeike thread inserts is that Jinbeike thread inserts are synchronized with the world. Provide OEM and ODM services for buyers' special requirements. Do our best to help our customers. Grow in our common business.
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.
