150pcs Car Thread Insert Stainless Steel Helicoil High-Efficient Car Repair Helicli M3 M4 M5 M6 M8 Thread Repair Kit Details: -Steel thread inserts used in low strength materials such as aluminum, magnesium, can avoid thread damage and achieve good connection performance to improve connection strength and connection condition. - Used for parts that need to be removed frequently, it can greatly improve the service life and wear resistance of the screw thread. - Due to a certain elasticity, the thread insert can balance the load distribution on each thread, eliminate pitch and tooth deviation between screw and screw hole, and absorb vibration, thereby increasing screw thread connection strength and fatigue resistance. -It can prevent the screw from loosening, especially for products that require high insurance coefficient. - Easy to maintain, install a thread insert into a damaged screw hole, then the screw hole can be used as usual to avoid workpiece loss. Specification: *Condition: new *Type:Threaded Inserts *Material: 304 Stainless steel. *Color: as pictured *Qty: 150pcs of Threaded Inserts(Other accessories are not included). *Fitment Type:Direct Replacement Size (inner diameter*installed pitch*installed length) & Quantity: M3*0.5*1.5D (20PCS) M4*0.7*1.5D (20PCS) M5*0.8*1.5 D (20PCS) M6*1*1.5D (10PCS) M8*1.25*1.5D (5PCS) M3*0.5D*3D (20PCS) M4*0.7*3D (20PCS) M5*0.8*3D (20PCS) M6*1*3D (10PCS) M8*1.25*3D (5PCS) Package Contents: 150* Threaded Inserts Friendly tips: There are slight difference between the picture and the real item caused by light brightness,hope you can understand. _x000D_