Screw Bushing Thread Repair Insert 10pcs M4x0.5 1D-3D 304 Stainless Steel Helicoil Inserts(2D)

These wire thread repair inserts are made from Good 304 stainless steel, providing excellent corrosion resistance and durability. Each pack contains 10 pieces of M4x0.5 inserts in 1D to 3D lengths for versatile thread repair applications.The inserts feature a self-tapping design for easy installation without pre-tapping. Simply use the installation tool to screw them into pre-drilled holes. The smooth surface and deep clear threads ensure even force distribution and strong holding power.Ideal for use in automotive, rail vehicle, shipbuilding, household appliances, construction machinery, and engineering plastics industries. These inserts provide reliable thread reinforcement and prevent loosening under vibration.

• Material - Metric thread insert is made of 304H stainless steel.
• Features - The thread repair kit has a certain elasticity and uniform load, which can make the load on the thread more uniform and eliminate the pitch deviation between the screw and the screw hole; the thread is deep and clear, not easy to slip, not easy to fall off, and not deformed.
• Thread Repair Solution: This insert nut assortment efficiently fixes stripped or damaged female threads in metal or ABS parts, restoring structural integrity without replacing entire components, ideal for quick repairs on machinery, automotive parts, or electronics.
• Premium Stainless Steel Build: Made from Good stainless steel, these inner thread inserts offer high hardness,Locking type wire screw sleeve secures screws in threaded holes, loosening under vibration and shock.
• Applications - Threaded sleeve is widely used in mechanical equipment and engineering machinery. It is the first choice for thread repair and overhaul in aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, radiators, and semiconductor equipment.