131-Piece Professional Thread Repair Master Kit – HSS Drill & Tap Set for M5 to M12

Professional Precision for Damaged Thread Restoration

Eliminate downtime and avoid costly part replacements with this 131-Piece Thread Repair Master Kit. Part of our Workshop Core selection, this comprehensive set is specifically designed to repair or replace stripped internal screw threads with professional-standard precision. Whether you are working on engine blocks, transmission casings, or industrial machinery, this kit provides a permanent, wear-resistant solution.

Key Features & Benefits:

• Comprehensive 131-Piece Set: A total workshop solution containing 110 premium steel inserts, 5 HSS drills, 5 HSS taps, and 10 specialised installation tools.

• Professional HSS Construction: All drills and taps are manufactured from high-grade High-Speed Steel (HSS), ensuring clean cutting and long-lasting durability even in hardened materials.

• Universal Metric Coverage: Restore five critical thread sizes with ease: M5, M6, M8, M10, and M12.

• High-Strength Steel Inserts: Includes 110 specialised steel threaded inserts ranging from 6.7mm to 16.3mm in length, providing threads that are often stronger than the original.

• Integrated Installation Tools: Each size includes a dedicated insertion tool and a tang-break tool for a seamless, error-free installation.

• Heavy-Duty Storage Case: The entire set is housed in a robust, organised carry case, designed to withstand the rigours of a busy workshop while keeping components sorted.

Technical Specifications:

• Total Component Count: 131 Pieces

• Thread Insert Sizes:

  • M5 x 0.8 x 6.7mm

  • M6 x 1.0 x 10.8mm

  • M8 x 1.25 x 10.8mm

  • M10 x 1.5 x 13.5mm

  • M12 x 1.75 x 16.3mm

• Tool Material: High-Speed Steel (HSS)

• Insert Material: High-Tensile Steel

• Included Tools: 5x HSS Drills, 5x HSS Taps, 5x Inserting Tools, 5x Tang Break Tools

• Product Weight: 2.20 kg

• Case Type: Impact-Resistant Metal or Polymer Carry Case

The Workshop Core Selection

This thread repair kit has been selected for our range because it provides an all-in-one remedy for one of the most common workshop failures. By combining industrial-grade HSS tooling with a high volume of inserts, it delivers the "Core" reliability required for high-stakes mechanical repairs.