Stainless Steel Thread Repair Kit 60 Pcs – M3 M4 M5 M6 M8 M10 M12 Inserts for Thread Locking Helicoil Type Screw Repair Sleeve Assortment Kit

Thread locking inserts provide reliable thread repair for stripped or worn threads in soft materials. This stainless steel kit reinforces threaded connections to reduce stripping and extend service life. Suitable automotive, machinery, and equipment maintenance applications.Installation is straightforward: Drill the damaged hole to the specified size, tap with the provided tool (sold separately), and thread the insert into place. The external locking feature secures the insert while the internal threads create durable threads. Solves common issues like loose fasteners, worn threads, and vibration-induced loosening.Specifications: Material: Stainless Steel Finish: Grey Quantity: 60 pieces Sizes (Inner Diameter × Pitch × Length): M3×0.5×2D (10pcs) M4×0.7×2D (10pcs) M5×0.8×2D (10pcs) M6×1.0×2D (10pcs) M8×1.25×2D (10pcs) M10×1.5×2D (5pcs) M12×1.75×2D (5pcs) Note: 2D indicates length = 2 × inner diameterPackage includes 60 stainless steel wire screw sleeves. No installation tools included.Important Notes: Actual color may vary slightly due to monitor settings. Manual measurement may have small deviations. Metric to imperial conversion: 1cm = 0.39 inches.

• Durable Thread Repair Solution: Our stainless steel inserts repair damaged threads in low-strength materials with enhanced bolt connection durability and vibration absorption
• Even Load Distribution: Elastic design evenly distributes thread load while compensating for pitch deviations to reduce thread damage and ensure secure fastening
• Vibration Locking: Locking wire screw sleeves secure screws in threaded holes to maintain tight connections under shock and vibration conditions
• Reusable Hardness Advantage: Higher hardness than standard screws reduces wear during connections allowing multiple reuse cycles without performance loss
• Complete Size Kit: Includes 60 pieces covering M3 M4 M5 M6 M8 M10 M12 sizes with 2D length specifications for versatile repair applications