50Pcs Thread Inserts Wire Protection Sleeve Repair Tool Fastener US Standard 5/16in18x3D

Item Type: Thread Inserts Material: SUS304 Model: US Standard 5/16in?18x3D Diameter: Approx. 7.938mm / 0.3in Pitch: 1.41 (mm) Number of Turns Before Installation: 14 Outside Diameter Before Installation: Approx. 9.6 ~ 10.2mm / 0.4 ~ 0.4in Diameter of Drilling Drill Bit for Installation: Approx. 8.3mm / 0.3in Thread Protective Sleeve Model Specification Description: For Example: M3x0.5X1.5D 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. 1、This is a new type of female threaded fasteners. Also called threaded sheaths stainless steel threaded sleeves wire sleeves 2、The product is made of high?strength high?accuracy diamond?shaped cross?section steel wire very durable 3、Application on low?strength engineering materials such as aluminum alloy zinc alloy alloy copper plastic engineering plastics etc. can improve thread strength and wear resistance significantly 4、When there is a thread processing error or a damaged internal threaded hole is repaired the wire thread insert can be used as a repairing method economically and effectively 5、Use wire thread inserts to convert between metric and inch threaded holes convenient and fast very practical