Because of a certain elasticity, thread insert can even the load distribution on each thread, eliminate pitch and tooth deviation between screw and screw hole, and absorb vibration, thus increasing the screw thread connection strength and fatigue . Specification: Material: 304 stainless steel Size Quantity: M8*1.25*1D 20pcs M8*1.25*1.5D 20pcs M8*1.25*2D 20PCS M8*1.25*2.5D 10PCS M8*1.25*3D 10PCS Package list:1 box * Threaded Inserts 304 STAINLESS STEEL MATERIAL: The thread repair insert is used in low-strength materials such as aluminum and can avoid thread damage and obtain good connection... Features:Steel thread inserts used in low strength materials such as aluminum, magnesium, can avoid thread damage and get a good connection performance, to enhance connection strength and improve connection condition. 304 STAINLESS STEEL MATERIAL: The thread repair insert is used in low-strength materials such as aluminum and can avoid thread damage and obtain good connection performance, thereby improving connection strength and improving connection conditions WEAR: M8x1.25 helicoil kit is used for parts that need to be disassembled frequently, which can greatly improve the service life and wear of the thread Heli-Coil SAE Thread Repair Kit 552112 | O'Reilly Auto Parts Helicoil Kit M8 X 1.25 Stainless Steel Threaded Inserts Set,80PCS M8 X1.25 Wire Thread Inserts,Quick Thread Insert,Coiled Wire Helical Screw Type Screw Repair Insert 8mm Helicoil BETTER THAN THE NORMAL LOCKING DEVICE:The locking type m8x1.25 thread insert can lock the screw into the threaded hole, so that the screw is not loose when subjected to shock vibration, which is better than the normal locking device Elevate your computing experience with the Intel Core i7-12700 processor, featuring 12 cores (8 performance and 4 efficiency), up to 4.9 GHz boost clock, 25MB Smart Cache, and compatibility with LGA 1700 socket motherboards Easy to maintenance, install a thread insert into a damage screw hole, then the screw hole can be used as normal, in order to avoid workpiece loss.