Check the listing for details. 10pcs M12x1.75 Male to M6x1 Female Thread Repair Insert Reducing Nut 15mm Long. Condition: New. Listed at 13.51 USD. These thread repair inserts feature an internal thread size of M6 x 1 and an external thread size of M12 x 1.75, with small groove, making them suitable for a variety of applications. Measuring 15mm (0.59") in length, the threaded inserts are versatile and easy to use for a wide range of threading needs.Made from a non-magnetic and easily machined stainless steel, 303 stainless steel threaded inserts offer good corrosion resistance, high tensile strength and hardness, high temperature resistance and thread accuracy. They are passivated for increased corrosion resistance and a smooth, clean surface finish, and extending their service life and ensuring long-term performance. Threaded reducers can greatly improve the strength and stability of threaded connections.