1. With female thread of M4 x 0.7mm, and male thread of M8 x 1.25mm, and the length is 6mm/0.2in.
2. If a thread error occurs or a damaged female threaded hole is repaired, a threaded insert can be used as a repair method to repair the threaded hole in a cost‑effective manner.
3. Wide application and it can be used in the manufacturing fields of aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, mechanical equipment and radiators.
4. Adopting high‑quality 303 stainless steel material, which is order to ensure durability and stability.
5. An effective thread repair tool, including 10pcs thread inserts in total to meet your daily needs.

Specification:
Item Type: Thread Inserts Kit
Material: 303 Stainless steel
Specification: Female thread M4 x 0.7mm, male thread M8 x 1.25mm
Length: Approx. 6mm/0.2in
Whether There Has Slot: There is a slot
Purpose: Thread repair
Case: For example, if the M8 thread is slippery, if you want to continue to use the M8 thread after the restoration, use this method to first expand the M8 thread to the M10 thread, and then use the M8-M10-12 length reducer to change it back to M8, because the material of this reducer is stainless steel, it will make the M8 thread more firm

packing list:
10 x Thread Inserts

Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.