Stainless steel wire thread insert is a precision manufactured spring-shaped concentric fastener with internal and external threadsIt is made of diamond section stainless steel wire with high strength and high precision. It is divided into locking type and ordinary type.It is made of cold-rolled stainless steel wire. The section is rhombic, similar to the shape of coil spring, which can be tightenedInsert into threaded holes of metallic or non-metallic materials. Standard hexagonal thread, high strength, wear resistance,It has formed high temperature resistance and good corrosion resistance.The use of screw holes extends the service life of screw parts. one set includes:(Product model: inner diameter x pitch x Length) (01) x 0.5 x 2D....................... 50Pcs (02) x 0.7 x 2D....................... 40Pcs (03) x 0.8 x 2D....................... 30Pcs (04) M6 x 1 x 2D.......................... 30Pcs (05) M8 x 1.25 x 2D.......................... 20Pcs (06) M10 x 1.5 x2D ...................... 20Pcs (07) M12 x 1.75 x 2D....................... 10Pcs Model Number:LS329 :Woodworking Item Type:Threaded insert Type1:Thread Repair Type2:Screw Thread Insert Type3:Thread Recovery Type4: Kit Type5:Thread Recovery Kit color:Photo color Material:Stainless steel Package Contents: 2 x screw socket thread kits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.