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METRIC THREAD RPR SET 3SIZES - Heli Coil Products

Part #: 203

The Heli-Coil Products Model 203 Metric Thread Repair Set provides a professional-grade solution for restoring stripped, damaged, or worn metric threads. This comprehensive kit is engineered to efficiently repair threads to their original size and strength, or often better, making it an essential tool for automotive and industrial maintenance. Designed for precision and durability, it extends the life of valuable components and prevents costly replacements.

Key Features

  • Professional Thread Restoration: Delivers permanent, conventional 60° internal screw threads that are stronger than the original tapped hole.
  • Comprehensive Kit: Includes all necessary components for effective thread repair across three common metric sizes, typically comprising a drill, STI (Screw Thread Insert) tap, installation tool, tang removal tool, and a quantity of high-quality inserts.
  • Superior Durability: Inserts are precision-formed from 18-8 (Type 302/304) stainless steel wire, offering high tensile strength, excellent resistance to wear, corrosion, and heat.
  • Vibration and Seizing Resistance: The robust stainless steel inserts help eliminate the possibility of thread wear, seizing, and loosening from impact or vibration, ensuring a reliable fastening point.
  • Salvage and Repair: Ideal for reclaiming expensive parts that would otherwise be scrapped due to damaged threads, significantly saving time and resources.

Applications

This versatile metric thread repair set is indispensable for professional technicians and mechanics across various fields. It is widely used in automotive workshops for repairing engine blocks, cylinder heads, transmission casings, and other critical components found in a range of vehicles, including domestic, European, and Asian models. Beyond automotive, it serves industrial applications for machinery maintenance, equipment repair, and general fastening systems where robust metric threads are crucial. The system is effective in diverse materials such as aluminum, magnesium, and cast iron.

Only 1 left in stock - order soon

$128.22

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This product was added to our catalog on Tuesday 30 June, 2026.

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