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.
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
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
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
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.