About us: This item is about 210pcs M3 M4 M 5 M6 M8 M10 M12 wire thread inserts steel sheath helicoil type screw repair sleeve assortment kit. 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. This set includes common used 7 values, total 210pcs. Package Including : Product model: Inner diameter x thread pitch x length (2D= 2 x inner diameter). (01) M3 x 0.5 x 2D...........................40Pcs (02) M4 x 0.7 x 2D...........................40Pcs (03) M5 x 0.8 x 2D...........................40Pcs (04) M6 x 1 x 2D..........................30Pcs (05) M8 x 1.25 x 2D..........................30Pcs (06) M10 x 1.5 x2D ...........................20Pcs (07) M12 x 1.75 x 2D...........................10Pcs Total Package quantity: 210pcs Tips: Products contain small parts, please do not let children play, to prevent inadvertent swallowed

• 4.High quality: It has continuous high-strength, high-precision, strong anti-seismic, anti-impact and anti-abrasion functions, and can disperse the pressure of the machine body, protect the thread of the body, and indefinitely prolong the service life of the body.
• 5.Widely use: It enjoys a reputation in manufacturing fields such as aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, mechanical equipment, radiators, and semiconductor equipment.

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