

Glow Plug Re-Threading Kit with M10 x 1.0 and M8 x 1.0 Taps
Professional glow plug thread repair kit with dual taps, drills, and reamers for diesel engine maintenance.
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Glow Plug Re-Threading Kit with M10 x 1.0 and M8 x 1.0 Taps
Brief Overview
This comprehensive re-threading kit addresses one of the most common diesel engine repairs: damaged glow plug threads. Whether you're dealing with stripped M10 or M8 threads, this kit provides the essential tools to restore proper seating without engine head replacement. It pairs perfectly with specialized glow plug extraction tools and connector maintenance equipment for complete glow plug service workflows.
Key Features
- Dual Thread Sizes: M10 x 1.0 and M8 x 1.0 taps cover the most common glow plug thread specifications
- Complete Drilling Solution: Two 3.5mm drill bits (precision-ground) for controlled thread preparation
- Seat Regeneration Reamer: 6mm x 3.5mm x 40mm L reamers restore proper glow plug seating geometry and ensure reliable thermal contact
- Integrated Tap Holder: Dedicated holder provides stability and prevents cross-threading during tap insertion
- Organized Hard Plastic Case: Molded carry case with integrated handle and latches keeps all components secure and organized for shop or mobile service
Business Advantages for Resellers
- High-Margin Service Add-On: Glow plug thread repairs command premium labor rates; this kit enables technicians to upsell complete restoration vs. replacement
- Repeat Revenue Stream: Diesel customers requiring glow plug service frequently need re-threading; positions your shop as a full-service diesel specialist
- Inventory Turnover: Smaller, specialized toolkits move quickly and have excellent shelf life with no depreciation concerns
- Technical Differentiation: Offering thread repair services separates professional shops from commodity tire/battery retailers
Technical Specifications
| Component | Specification | Quantity |
|---|---|---|
| Tap - Metric | M10 x 1.0 | 1 |
| Tap - Metric | M8 x 1.0 | 1 |
| Drill Bit | 3.5mm | 2 |
| Reamer (Seat Regeneration) | 6mm Ø × 3.5mm × 40mm L | 1 |
| Tap Holder | Standard collet-style | 1 |
| Case Material | Hard plastic with molded insert | 1 |
| Case Features | Integrated handle, dual latches | — |
Application Context
This kit is purpose-built for:
- Diesel Engine Glow Plug Replacement: Restoring threads damaged by carbon buildup, corrosion, or stripped extraction attempts
- Thread Preservation: Avoiding costly engine head replacement by re-threading existing bores
- Mobile Service: Compact case design enables technicians to carry complete re-threading capability to customer sites
Why This Kit Matters for Your Business
Glow plug failure is one of the most frequent diesel engine cold-start complaints. Without proper re-threading capability, technicians are forced to recommend expensive engine work or customer downtime. This kit transforms a liability into a profitable service that builds customer loyalty and shop reputation.
Stock this alongside dedicated glow plug puller sets to offer customers the complete glow plug service solution—from safe removal through thread repair to reinstallation.
Order in bulk to establish diesel diagnostic and repair as a core competency in your shop's service menu.