Thread Repair Insert Kit, Helicoil Thread Repair Kit, 50pcs Stainless Steel Coiled Wire Helical Screw Inserts Combination Tool Set for Restoring Damaged Threads in Steel(M5 x 2D)

Specifications: Material: Stainless steel Size: M5(inner diameter) x 2D(installed length=2*5mm=10mm) Quantity: 50pcs Weight: 145g(approx.)Package Includes: 50 x Threaded Inserts 1 x Installation Tool (M5)1 x Dedicated Tap (ST5) 1 x Tang Breaker1 x Drill Bit

• [ENHANCED CONNECTION STRENGTH]By installing steel thread inserts into low-strength base materials such as aluminum alloy, zinc alloy, and plastic, this product effectively reinforces internal threads, prevents thread stripping and damage, significantly improves connection performance, and greatly enhances overall connection strength and structural stability.
• [EXTENDED SERVICE LIFE & WEAR RESISTANCE]Ideal for components that require frequent assembly and disassembly, these threaded inserts effectively reduce friction and abrasion on threaded holes. They greatly improve the wear resistance and service life of internal threads, while also preventing screws from loosening, making them especially suitable for high-safety and high-reliability applications.
• [EXCELLENT VIBRATION DAMPING & LOAD DISTRIBUTION]Featuring good elasticity and toughness, steel thread inserts evenly distribute axial and radial loads, reduce concentricity deviation, and absorb strong vibrations during operation. This design effectively improves fatigue resistance, prolongs service life, and maintains stable connection performance under harsh working conditions.
• [RELIABLE ANTI-LOOSENING PERFORMANCE]The precision-formed thread structure provides firm and stable fastening, effectively preventing screws from loosening due to vibration, impact, or long-term use. It delivers a high-strength, secure connection that meets strict safety and reliability requirements for precision instruments, automotive parts, and mechanical equipment.
• [CONVENIENT REPAIR & COST SAVING]When internal threads are worn, slipped, or damaged, these thread inserts allow for quick and effective repair of damaged screw holes without replacing the entire workpiece. This restores normal thread function, reduces material waste and maintenance costs, and extends the service life of mechanical components.