150PCS/BOX Helicoil Set Stainless Steel Wire Thread Repair Insert Assortment Wire Thread Inserts M3 M4 M5 M6 M8 Thread Repair Kit Helicoil Type Screw Repair Sleeves Running Wire Thread

Specification:Material: Stainless SteelColor: silverSize: M3-M8 Feature:1.The locking type wire screw sleeve can lock the screw into the threaded hole, so that the screw is not loose when subjected to shock vibration.2.Because of a certain elastic, can make the load on the thread  is more even, eliminate the screw and screw hole deviation between the pitch and tooth type, and can absorb vibration, thus increasing the screw thread connection strength and resistance to fatigue strength.3.Avoid sliding wire, wrong tooth phenomenon, and obtain excellent connection performance.4.Anti-loose. Especially for the aircraft and other products requiring high insurance coefficients.5.Improve the life of thread.6.High strength and hardness.7.Convenient and practical.8.Durable in use.9.Used in various low strength materials, which can improve the wear resistance of bolt connections and avoid the damage of thread.Package included:M3 * 0.5 * 1.5D    (20PCS)M4 * 0.7 * 1.5D    (20PCS)M5 * 0.8 * 1.5 D   (20PCS)M6 * 1.0* 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 * 1.0 * 3D      (10PCS )M8 * 1.25 * 3D     ( 5PCS )