Thread Repair Kit M12 x 1.75 – Complete Helicoil Insert System

Brief Overview

This M12 x 1.75 thread repair kit provides a complete solution for restoring damaged or stripped threads in automotive engines, cylinder heads, and industrial equipment. The system includes all necessary tools in a compact, organized carrying case—everything your technicians need for quick, reliable thread restoration. Whether you stock this as a core repair tool or recommend it alongside M10 and M14 thread repair options, this kit delivers consistent results and strengthens your shop's capability to handle common engine and component repairs.

Key Features

• 10 Helicoil Wire Thread Inserts – Premium coiled inserts restore thread integrity to original specifications
• M12 x 1.75 Precision Tap – Two taps included for cutting clean, consistent threads in the repair hole
• Twist Drill Bit – Fluted design removes material efficiently and prepares the hole for tapping
• Installation Tools – Includes L-shaped insertion driver and slotted driver tool for quick, controlled insert placement
• Tang Breaker – Dedicated tool to cleanly remove the tanged portion after insert installation
• Organized Metal Carrying Case – Foam-lined case with tool slots keeps everything in place and ready for dispatch

Business Advantages for Resellers

• High-Margin Repair Service Tool – Thread repair kits command premium service rates; customers will accept the cost to avoid component replacement
• Inventory Efficiency – Single compact case reduces shelf space while covering a specific, high-demand thread size
• Customer Retention – Shops that offer thread repair become a one-stop solution, reducing customer churn to specialty repair facilities
• Bulk Order Potential – Fleet operators, transmission shops, and engine builders consistently reorder these kits; establish recurring revenue
• Complements Existing Services – Cross-sell with cylinder head work, engine rebuilds, and transmission repairs

Technical Specifications

Specification	Detail
Thread Size	M12 x 1.75
Insert Type	Helicoil (coiled wire)
Number of Inserts	10 pieces
Tap Quantity	2
Drill Bit	Fluted twist drill for M12 preparation
Installation Method	Manual L-shaped driver
Finish Material	Silver-polished metal (tap, drill, inserts); blue-handled drivers
Carrying Case	Black metal box with foam insert and latch closure
Pitch	1.75 mm

Why This Size Matters

M12 x 1.75 threads are standard in critical applications:

• Spark plug holes in cylinder heads
• Sensor mounting points on engine blocks
• Bolt holes in transmission housings and aluminum components

Restoring these threads prevents expensive component replacement and keeps engines running reliably.

Application & Installation

1. Use the twist drill bit to enlarge the damaged hole to the specified diameter
2. Thread-cut the hole with the included tap
3. Insert the helicoil using the L-shaped installation tool
4. Break the tang with the dedicated tool
5. The thread is restored and ready for the original bolt or fitting

Value Proposition

This kit transforms a potentially catastrophic thread failure into a routine repair, protecting your shop's reputation and enabling faster turnaround. Stock this in-house, train your team, and position yourself as the local expert for engine and component thread restoration. At bulk quantities, margins are substantial and reorder frequency is predictable.

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Ready to strengthen your thread repair capability? Order this M12 x 1.75 kit in bulk and establish a competitive advantage in engine repair, transmission work, and industrial maintenance.