307/308 10mm 螺母可扩展螺母和螺钉孔嵌件

1.Self tapping insert is a new type of strengthening the strength of the thread fasteners.

2.t has inside and outside lines,embedded plastic, aluminum alloy cast iron,copper and other soft materials, high strength of internal thread hole can be formed,self tapping insert also can be repair damaged internal thread.

Features

1.Self tapping

2. No pre-tapping required

3.Very high pull-out resistance

4.Highly resistant to vibration,can withstand vibration without loosening

5. Un limited thread re-usability

6. Wide variety of styles to fit almost every application

Materials

Stainless steel/ aluminum brass/ iron /zinc/ alloy