Screw Bushing Thread Sheath 20Pcs Wire Thread Insert Durable Spiral Circle Extension Tool For Industrial Supplies 1D

Screw Bushing Thread Sheath 20Pcs Wire Thread Insert Durable Spiral Circle Extension Tool for Industrial Supplies 1D Specification: Item Type: Wire Thread Insert Material: SUS304 Model: M12 x 1 Thread Specification: M12 x 1 Outside Diameter Before Installation: Approx. 14.3-14.8mm / 0.56-0.58in Drill Bit Diameter: Approx. 12.3mm / 0.5in 1D Length After Installation: Approx. 12mm / 0.5in 1.5D Length After Installation: Approx. 18mm / 0.7in 2D Length After Installation: Approx. 24mm / 0.9in 2.5D Length After Installation: Approx. 30mm / 1.2in 3D Length After Installation: Approx. 36mm / 1.4in Wire Thread Insert Model Description: For Example: M3 x 0.5 x 1.5D which means that after the screw set is completed the female thread is M3 the pitch is 0.5 and the length is 1.5D length is 1.5 times the diameter that is 1.5 x 3=4.5mm the length here refers to the length after installation. Wire thread inserts are also called threaded sheaths stainless steel threaded sleeves wire sleeves and braces. They are a new type of internal threaded fasteners made of high-strength high-accuracy -shaped -section steel wires; Application to low-strength engineering materials such as aluminum alloy zinc alloy copper plastic etc. can significantly improve thread strength and wear resistance. Package List: 20 x Wire Thread Insert