Description
This professional-grade thread repair kit is your all-in-one solution for restoring stripped or damaged internal threads (Metric and SAE). Featuring premium materials—HSS drill bits, bearing steel taps, and durable 304 stainless steel inserts—it ensures superior strength and longevity. The kit is easy to use, simplifying complex repairs and dramatically boosting maintenance efficiency. Practical, portable, and built to last, it is an essential tool for automotive professionals, repair technicians, and serious DIY enthusiasts.
Features
1、Performance & Efficiency：
135° Split Point Tip: Designed for enhanced penetration and faster, more efficient drilling speeds.
Superior HSS Construction: Made from High-Speed Steel (HSS) for exceptional wear resistance and longevity.
Precision Threading: Ensures accuracy and ease of maintenance and grinding for flawless results.
U-Flute Design:Engineered to efficiently clear chips and debris, producing cleaner, more professional holes.
2、Durability & Quality：
Heat-Treated Strength: Crafted from premium steel and heat-treated to a hardness of HRC 55-62, guaranteeing superior durability and toughness.
Robust HSS Material: Provides the core strength needed for heavy-duty and repeated professional use.
3、 Convenience & Versatility
Massive 338-Piece Kit: Comprehensive set includes drill bits, taps, thread inserts, tap breakers, installation tools, and hex keys—everything you need in one box.
Clear Size Marking: Features easy-to-read size markings for quick identification and selection, speeding up your workflow.
Portable Storage Case: Comes with a heavy-duty, portable storage case to keep your entire kit organised and easy to transport to any job site.
Wide Application Range: Highly versatile for use with a variety of materials, including aluminium, iron, carbon steel, bronze, and magnesium.
4、Targeted Users
Simple & Easy to Use: Designed for seamless operation, making it ideal for professional mechanics, auto repair technicians, and serious DIY enthusiasts.
Specifications
| Material: High-Speed Steel (HSS) |
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Colors: Red, Blue, Black
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| Gross Weight: 3.4kg |
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Case Dimensions: 360 x 295 x 265mm
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| Thread Sizes： |
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SAE: 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13
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Metric: M5 , M6 , M8 , M10, M12
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Package Content
| Item Description: | Quantity: |
| Screw Tap | x 5 |
| Twist Drill | x 5 |
| Broken pin tools | x 5 |
| Installation Tool | x 5 |
| 1/4"-20 threaded inserts | x 30 |
| 5/16"-18 threaded inserts | x 40 |
| 3/8"-16 threaded inserts | x 40 |
| 7/16"-14 threaded inserts | x 25 |
| 1/2"-13 threaded inserts | x 12 |
| Screw Tap | x 5 |
| Installation tools | x 5 |
| Broken pin tools | x 5 |
| Twist Drill | x 5 |
| M5 inserts (0.8×6.7mm) | x 30 |
| M6 inserts (1.0×8.0mm) | x 40 |
| M8 inserts (1.25×10.8mm) | x 40 |
| M10 inserts (1.5×13.5mm) | x 25 |
| M12 inserts (1.75×16.3mm) | x 12 |
| Hex key | x 2 |
| User manual | x 1 |
| Storage case | x 1 |