A threaded insert,  coarse thread screw insert as a fastener element.

1.repair a stripped threaded hole. 

2.provide a durable threaded hole in a soft material.

3. eliminating a machining operation.

Advantages:

Wear resistance

Corrosion resistance

Heat resistance

Material saving

Can be customized if necessary

Provide a durable threaded hole in a soft material

Eliminating a machining operation

Applications:

Widely used in large automobile manufacturing, metallurgy, electric power, machinery, 

chemical fiber, chemical industry.

Installation process:

Drilling→Tapping→Installing→Breaking off tang

Tools:

 1. Drill: used for drilling the base holes

 2. Taps: used for the processing special internal thread of the base holes. 

 3. Installation tools: put sets into the threaded hole.

 4. Break-off tools: break off the tang of thread insert.

 5. Extraction tools: used for removing the damaged thread insert from the threaded hole.