Repair internal thread and strengthen external thread.
When applied to low strength materials, the strength of threaded hole can be greatly enhanced.
Repair the wrong hole, avoid the wrong parts reworking.
The Key Insert thread sheath can be removed without damaging the parent material
PackageContent:1PCS Key Insert
Description
Key Insert is a kind of special fastener with internal and external threads and four pin keys on the external threads. The Key Insert is put into the bottom hole after tapping and then pressed into the four pins, which has a strong fastening effect.The product is mainly used on the product with higher thread strength requirement.
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