Features:
1. This threadrepairinsert has a certain elasticity, which improves the fatigue resistance andthread connection strength
2. Used forthoseparts that require frequent disassembly,the thread insertion can greatly improve wear resistance of screw thread and working life
3. The stainless steel thread inserts used in low strength materialslike aluminum can avoid thread damage and get agreat connection performance
4. The helical screw thread inserts caneffectivelyprevent screw from getting loose, easy to maintenance

Specifications:
Material: Stainless steel
Size: M4(inner diameter) x 2D(installed length 0.31in)
Quantity: 50pcs
Weight: 89g(approx.)

Package Includes:
50 x Threaded Inserts
1 x Installation Tool (M4)
1 x Dedicated Tap (ST4)
1 x Tang Breaker
1 x Drill Bit
Effective Function: The helical screw thread inserts can effectively improve the wear resistance of screw thread and service life for those parts that need frequent disassembly
Metal Partner: The thread inserts can be used in low strength materials like aluminum; This will avoid thread damage, enhance connection strength and improve connection condition
Strong Practicability: The thread insertion can effectively prevent the screw from loosening, especially suitable for those products with high insurance coefficient
Maintenance Friendly: The stainless steel coiled wire insert is easy to maintenance; Just install it into the damaged screw hole, then you can use the screw hole normally
Intimate After-Sales Service: Please feel to contact us by e-mail if you have any issue about the item; We will try our best to give you a satisfactory reply within 24 hours