TIME-SERT® Mini Master Thread Repair Kit – UNC 1/4–3/8″ (73-Piece Set)
£483.20
Ease of Fitment Guide: Beginner





- Ensures reliable processing, even with weak walls
- Compatible with thin-walled materials
- Media-tight for added security
- Self-locking for dependable use
- Precisely positions in the workpiece for a perfect fit
Order your TIME-SERT kit today for a fast and secure solution to your thread repair needs!
Description
TIME-SERT® Mini Master UNC – Premium 73-Piece Thread Repair Set
Experience unmatched reliability and precision with the TIME-SERT Mini Master UNC. This professional thread repair kit restores stripped or damaged threads in steel, stainless steel, aluminum, cast iron, titanium, and other metals. Ideal for automotive, industrial, and precision engineering applications, it provides durable, high-accuracy repairs. Explore our full range of TIME-SERT® UNC Inserts for additional sizes and options.
Key Highlights
- Versatile Application: Compatible with all metal base materials including steel, stainless steel, aluminum, titanium, cast iron, brass, bronze, copper, zinc, and high-strength alloys, making this kit suitable for a wide variety of repair tasks.
- Solid Bushing Inserts: Designed for easy installation, these inserts allow full-load use of tapped holes and provide robust protection against stress and vibration.
- Thin-Walled Design: Synchronized internal and external threads allow installation in tight spaces, ensuring efficient repairs even in difficult-to-access areas.
- Self-Locking: Cold-rolled internal threads expand the external threads into the base material, locking the insert securely without additional bonding.
- Pressure-Sealed: Prevents leaks of water, oil, liquids, or compressed gases, keeping repairs secure under demanding conditions.
Key Features
- Accurate Positioning – Flanged inserts ensure precise placement in the workpiece, preventing them from winding down and guaranteeing reliable results every time.
- Tear-Out Strength – Repairs are often equivalent to original threads, providing long-lasting durability and dependable performance.
- High-Quality Steel Nuts – Made from 9SMn/Pb28K DIN1651/668 material with galvanized and passivated finishes, available in zinc or black carbon steel for enhanced strength and longevity.
- Comprehensive Kit – Each set includes 3 tool kits with 20 inserts per set (short and long versions), plus driver oil for smooth installation.
- Wide Thread Coverage – Covers common UNC sizes: 1/4-20, 5/16-18, and 3/8-16, ideal for various repair tasks.
Why Choose This TIME-SERT Mini Master UNC Kit?
- Reliable Repairs – Trusted by automotive manufacturers and professionals, ensuring stripped threads are restored safely and effectively.
- Durable Construction – Inserts resist stress, vibration, and pressure, delivering repairs that last.
- Precision Engineering – Perfect for automotive, industrial, and precision engineering applications where accuracy is critical.
- Versatile and Efficient – Handles multiple metal types and tight spaces, making it the go-to solution for UNC thread repair tasks.
Application and Instructions
Select the correct insert size, drill the hole, counterbore, tap, and insert the flanged threaded sleeve. The flanged inserts ensure precise positioning and reliable results. For additional UNC and metric thread repair tools, visit our TIME-SERT® UNC Inserts section.
Contents
Read more
| Item / Thread Size | Quantity |
|---|---|
| 1/4-20 Inserts | x0.380 & x0.500 |
| 5/16-18 Inserts | x0.450 & x0.620 |
| 3/8-16 Inserts | x0.520 & x0.750 |
| Total Inserts | 60 |
| Driver Oil Bottle | 1 × 37 ml |
| Drills, Counterbores, Taps & Insert Drivers | Included per thread size |
Each Kit Includes Drill, Counterbore, Thread Cutter Tap, Insertion Tool
Read less
Technical Specifications
| Specification | Value |
|---|---|
| Brand | TIME-SERT® |
| Kit Type | Mini Master UNC |
| Number of Pieces | 73 |
| Material | 9SMn/Pb28K Steel Inserts |
| Applications | Automotive / Industrial / Engineering |
| Thread Sizes | 1/4-20, 5/16-18, 3/8-16 |
| Insert Finish | Galvanized / Black Carbon Steel |
For spark plug repairs, consider TIME-SERT® Copper Inserts. Explore additional products in our TIME-SERT® UNC Inserts and Metric Thread Repair Inserts sections for more solutions.
Check out customer reviews on Trustpilot for honest feedback.
Video Demo
Brand
TIME-SERT
TIME-SERT Thread Repair: Precision and Durability
TIME-SERT thread repair kits are innovative solutions for damaged or stripped threads. Whether you’re working on automotive repairs, machinery, or industrial equipment, these kits provide an efficient and reliable thread repair system. This repair solution is trusted by professionals for its precision and durability, ensuring a permanent fix for threads that have lost their integrity. [show_more more="Read more" less="Read less"]Why Choose TIME-SERT for Thread Repair?
These kits stand out because they offer more than a simple fix. The thread repair inserts create stronger threads than the original ones. Unlike other repair systems, these kits utilize solid bushings, ensuring the insert won’t shift or move after installation. This added strength makes them ideal for demanding applications, such as automotive engine repairs or heavy-duty machinery.Easy Installation and Long-Lasting Results
One key advantage of this thread repair system is its easy installation process. Each kit includes detailed instructions, along with the necessary tools, so you can complete repairs with confidence. The result is a long-lasting, reliable repair insert that restores the original strength and functionality of the damaged area. Whether you're working on a small or large repair, these inserts make the job simple and effective.Versatile Applications for Any Project
These repair tools are versatile enough for various materials, including aluminum, steel, and cast iron. This makes the kits a go-to solution for a wide range of industries. From automotive to marine to industrial, the thread repair inserts work in any environment. Whether you're fixing engine blocks, spark plug holes, or transmission cases, this repair solution delivers dependable results.A Trusted Name in Thread Repair Solutions
TIME-SERT has earned its reputation through years of quality and performance. Mechanics, engineers, and DIY enthusiasts alike trust the tools to restore critical components. With this system, you not only repair threads but also enhance their durability, preventing future damage. This makes the kits a cost-effective, long-term solution.TIME-SERT: The Ultimate Thread Repair Kit
In summary, TIME-SERT thread repair kits are the ideal choice for anyone needing precision, strength, and longevity in a repair system. These inserts ensure a stronger, more reliable fix than many traditional alternatives. Whether you're in the automotive industry or tackling home repairs, this solution offers unmatched quality and results you can rely on. [/show_more]





















