10Pcs Thread Repair Inserts Steel Wire Protection Sleeve Hardware Accessories M18 x 21D

Item Type: Thread Repair InsertsMaterial: SUS304Model: M18 x 2Thread Specification: M18 x 2mmOutside Diameter Before Installation: Approx. 21.4 ~ 22mm / 0.8 ~ 0.9inDrilling Drill Bit Diameter for Installation: Approx. 18.5mm / 0.7in1D 1.5D 2.5D Length After Installation: Approx. 18mm / 0.7in27mm / 1.1in36mm / 1.4inThread Protective Sleeve Model Specification Description: For Example: M3 x 0.5X1.5D which means that after the screw set is completed the internal thread is M3 the pitch is 0.5 and the length is 1.5D (length refers to 1.5 times the diameter that is 1.5x3=4.5mm ) the length here refers to the length after installation.Wire thread inserts are also called threaded sheaths stainless steel threaded sleeves and wire sleeves. They are a new type of female threaded fasteners made of high-strength high-accuracy diamond-shaped cross-section steel wire; in aluminum alloy zinc alloy copper plastic synthetic cardboard and other low-strength engineering materials can significantly improve thread strength and wear resistance. 10 x Thread Repair Inserts