Screw Bushing Thread Repair Insert 20pcs M5*0.8 * 0.5D~5D Stainless Steel 304 Sleeve Helicoil Inserts(1.75D)

These M5*0.8 thread repair inserts are precision-engineered from stainless steel 304 for durable and reliable performance. Each insert features an inner diameter of M5 with a 0.8 pitch and an installed length of 1D (5mm). The outer diameter ranges from 6.35mm to 6.60mm, requiring a 5.2mm drill bit for installation.This 20-piece set offers a cost-effective solution for restoring damaged threads in metal components. The inserts provide strong, wear-resistant threads that withstand repeated assembly and disassembly. Their elastic design evenly distributes load, reduces vibration, and prevents loosening under dynamic conditions.Ideal for automotive, machinery, and industrial applications, these inserts are compatible with standard M5 screws and bolts. They effectively repair stripped threads and improve connection strength without the need for oversized fasteners.

• 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.