ST2.5 Anti Seismic 304 Steel Thread Sleeve

ST2.5 Wire Thread Inserts Anti Seismic Steel Thread Sleeve

The steel wire screw sleeve can also be used as a repair method when the thread on the original base body trips or disorderly teeth,

without causing the whole base body to be scrapped, and the maintenance is convenient, fast and economic.

Special taps and installation tools are required to install the steel wire inserts.

screw sleeve on the machine part. The internal thread is the

standard internal thread used for fastening the connector,

and its section shape is the combination of internal and external two screws.

It is a kind of spring-shaped internal and external thread concentric body precisely processed by

cold-rolled rhombic

stainless steel wire with high strength, high precision and smooth surface. It is mainly used to strengthen and protect

the internal thread of low-strength materials

Because the steel wire screw sleeve is an elastic fastener, the deviation of pitch and profile between screw and screw hole can be eliminated by using the steel wire screw sleeve, and the load can be evenly distributed,
Thus, the bearing capacity and fatigue strength of threaded connection are improved

We can customize all kinds of steel wire thread inserts according to customers' needs.

Please contact us for customization

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reduce the intermediate link to benefit customers! Looking forward to your call!

Specification marking method of screw sleeve:
1. According to the marking method of domestic steel wire thread sleeve:
(1) St (common type) STD (diameter) P (pitch) - ND
(2) ZST (locking type) zstd (diameter) P (pitch) - ND
(3) Zgst (high temperature locking type) zgstd (diameter) P (pitch) - ND
2. According to the marking method of steel wire thread sleeve produced abroad:
(1) Fr (common type) MD (diameter) x P (pitch) - Nd (diameter)
(2) SL (locking type) MD (diameter) x P (pitch) - Nd (diameter)