50Pcs Wire Thread Inserts M4 X 0.7 1.5D Helical Threaded Sleeve

Descriptions: Made of 304 stainless steel, wire thread inserts offer good corrosion resistance, rust resistance and excellent oxidation resistance. 304 stainless steel is one of the most widely used chromium-nickel stainless steels, with wear resistance and high hardness. This threaded sleeve is not easy to slip off, the thread is deep and clear, and it does not deform. It is widely used in mechanical equipment and engineering machinery. It is the first choice for thread repair and overhaul in aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, radiators and semiconductor equipment. Features a certain of elastic, and provides an even load on the thread. It is resistant to vibration. Greatly improve the strength of the screw connection and prolong the service life of the equipment. The locking type wire thread insert can easily lock the screw into the threaded hole. The screw does not loosen when subjected to shock and vibration, better than the general locking device. It is wear-resistant when disassembled frequently, increasing the thread life. Specifications: Metric Thread Size: M4 x 0.7 Effective Length (after installation): 1.5D=6mm Total length (before installation): 4.5mm Type: Helical Material: 304 Stainless Steel Package Content:50pcs x Wire Thread Inserts