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FEATURES The stainless steel wire thread insert is a spring-like internal and external thread concentric body fastener which is precisely manufactured from a high-strength, high-precision diamond-shaped cross-section stainless steel wire. It is divided into locking type and common type. It is a made of cold-rolled stainless steel wire. The cross-section is diamond-shaped, similar in shape of a coil spring, which can be screwed into the threaded hole of metal or non-metal material. The standard hexagonal thread with high strength, wear resistance,high temperature resistance and good corrosion resistance is formed. The use of screw holes extends the service life of the screw parts. PACKAGE INCLUDING : Product model: Inner diameter x thread pitch x length (1.5D= 1.5 x inner diameter). M2.5-0.45*1.5D......(400PCS) M3-0.5*1.5D......(400PCS) M4-0.7*1.5D......(30PCS) M5-0.8*1.5D......(30PCS) M6-1.0*1.5D......(30PCS) M8-1.25*1.5D......(20PCS) M10-1.5*1.5D......(10PCS) M12-1.75*1.5D......(10PCS) Total Package Quantity: 210pcs