Fix stripped or damaged threads with confidence using this 131pc Helicoil-Type Thread Repair Kit, designed for professional and DIY use. Compatible with M5, M6, M8, M10, and M12 metric sizes, this comprehensive set creates stronger internal threads in soft metals and helps restore worn-out tapped holes in steel, cast iron, and aluminium.

Perfect for engine repair, automotive work, or machinery maintenance, this kit includes everything you need—thread taps, twist drills, wire inserts, insert installation tools, and lug breaking tools—all neatly organized in a durable steel carrying case.

Key Features:

• 131-Piece Set – Complete with inserts, taps, drill bits, and installation tools
• Supports M5–M12 Metric Sizes – Versatile for a wide range of thread repairs
• Restores Damaged Threads – Ideal for steel, aluminium, and cast iron components
• Reinforces Soft Metals – Creates stronger internal threads in worn or stripped holes
• Automotive & Engine Ready – Great for cars, motorcycles, and mechanical repairs
• Durable Steel Case – Keeps tools organized and portable for on-the-go jobs
• Easy to Use – Beginner-friendly with clear tool layout and fast application

Specifications:

• Dimensions of case: 40 x 20 x 4cm
• Coarse Thread Inserts Coil Size Specifications:
  • M5x0.8x7.5 mm
  • M6x1.0x9.0 mm
  • M8x1.25x12.0 mm
  • M10x1.5x15.0 mm
  • M12x1.75x18.0 mm