131PCS Thread Repair Kit M5 M6 M8 M10 M12 Helicoil Set with Drill and Tap Tools

Restore damaged threads quickly and reliably with this 131PCS Thread Repair Kit.
Designed for professional or DIY use, this thread rethreading kit includes Helicoil-style inserts, twist drills, taps, insertion tools, and pin breakers for the most common metric thread sizes: M5, M6, M8, M10, and M12. It’s ideal for repairing stripped internal threads in engines, machinery, or metal components.

All components are neatly organised in a high-impact red steel case, making it easy to store and transport. With high-speed steel tools and durable stainless steel wire inserts, this thread repair kit is a long-lasting solution for precision thread restoration.

Features：

• 131PCS thread repair kit compatible with common metric sizes (M5–M12)

• Helicoil-type inserts restore stripped or damaged internal threads

• HSS twist drills and taps ensure clean, accurate hole preparation and threading

• Insert tools and pin breakers make installation simple and secure

• Durable red metal case keeps all tools organised and protected

Specifications：

• Total Pieces: 131

• Thread Sizes Insert Specs:

  • M5 × 0.8 × 6.7mm (25PCS)

  • M6 × 1.0 × 8.0mm (25PCS)

  • M8 × 1.25 × 10.8mm (25PCS)

  • M10 × 1.5 × 13.5mm (25PCS)

  • M12 × 1.75 × 16.3mm (10PCS)

• Drill Bits: 5 × HSS twist drills (1 per thread size)

• Taps: 5 × HSS taps (1 per thread size)

• Installation Tools: 5 × red-handled inserters

• Break Pin Tools: 5 × pin break-off rods

• Extras: 1 × hex key, 1 × red steel storage case

• Case Dimensions: 38 × 18 × 3 cm

Package Includes：

• 25 × M5 Thread Inserts

• 25 × M6 Thread Inserts

• 25 × M8 Thread Inserts

• 25 × M10 Thread Inserts

• 10 × M12 Thread Inserts

• 5 × Twist Drill Bits

• 5 × Taps

• 5 × Insertion Tools

• 5 × Break Pin Tools
  

• 1 × Metal Storage Case

Notes：

• For internal thread repair only; ensure proper alignment before use.

• Suitable for steel, aluminium, and cast iron components.

• Please allow 1–3 cm variation due to manual measurement.

• Colour may vary slightly due to lighting and screen settings.