Size: The female thread of the thread insert is M6x1.0mm, the male thread is M8x1.25mm and it is 15mm/0.6in long. Material: the thread insert adopts high quality stainless steel to ensure the durability and stability of the product. Purpose: This is an effective thread repair tool that a thread insert can be used to repair if any threading error occurs or a damaged female thread hole is repaired, which is cost-effective. Application: the thread insert has a small slot and the thread reducer nut has a stable structure , it is applied to aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, mechanical equipment and radiators and other manufacturing fields. Application : the wire insert has a small slot and the wire reducer nut has a stable structure, it is applied to aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, to mechanical equipment and radiators and other manufacturing fields. Thread inserts thread reducing nut male female thread reducing thread reducing nut stainless steel thread repair tool reducing nut Fastener Hardware Specification: Item Type: Wire Inserts Material: 303 Stainless Steel Specification: M6x1.0mm Female Thread, M8x1.25mm Male Thread , approx. 15 mm / 0.6 inch long Whether there is a slot: There is a small slot Purpose: thread repair Case: For example, if the M8 thread is slippery, if you want to continue to use M8 thread after restoration, use this method to first stretch M8 thread to M10 thread, then use M8-M10-12 length reducer to change it to M8, because the material of this reducer is stainless steel, this will make the M8 thread firmer Package list: 10 x thread inserts