Xinxiang Changling Helicoil Machinery Manufacturing Co., Ltd.

China Manufacturer with main products: helicoil, thread insert, threaded insert, Wire thread insert, oil filter, air filter, gas filter, Metal filter

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Helicoil Insert


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Specifications

In the free state they are greater in diameter than the tapped hole into which they are installed. In the assembly operation the torque applied to the tang reduces the diameter of the leading coil and permits it to enter the tapped thread.
 
When the torque or rotation is stopped, the coils expand with a spring-like action anchoring the insert permanently in place against the tapped hole. No staking, locking, swaging, keying, nor interference fit is required to retain HELI-COIL Inserts, thereby eliminating stress concentration in the parent material.
 
The HELI COIL Insert automatically adjusts itself, radially and axially, to any expansion or contraction of the parent material.

Service Process

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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