Hardware Threaded Inserts 150PCS / Box Stainless Steel Thread Repair Insert Kit M3 M4 M5 M6 M8 Helical Coil

150PCS / Box Stainless Steel Thread Repair Insert Kit M3 M4 M5 M6 M8 Rivet Nut Kit Helical Coil Thread Repair Insert Kit100%Brand newMaterial: Stainless steel 304Size (inner diameter*installed pitch*installed length) & QuantityM3051.5D (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*0.5*3D (20PCS)M4*0.7*3D (20PCS)M5*0.8*3D (20PCS)M6*1*3D (10PCS)M8*1.25*3D (5PCS)Package list:150 pcs Threaded InsertsNote: Installed length= #D means number x diameter, for example, M3*0.5*1.5D has installed length = 1.5D = 1.5 x 3 = 4.5mm.Satisfaction Guarantee

• Used for parts that requires frequent removing, it can greatly improve service life and wear-resistance of screw thread.
• 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.
• It can prevent screw from getting loose,especially used for products requiring high coefficient of insurance.
• 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 resistance.
• Wide application & easy installation, ideal for woodworking, 3D printing, furniture assembly and DIY repairs, tight and non-loosening.