TIME-SERT® Master Thread Repair Kit – UNC Coarse 1/4–1/2″ (120-Piece Set)
£740.25
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® Master Kit UNC – 120-Piece Coarse Thread Repair Set
Experience unparalleled reliability and precision with the TIME-SERT UNC Repair Kit – 120-Piece Coarse Thread Repair. This professional kit restores stripped or damaged UNC threads in steel, stainless steel, aluminum, cast iron, titanium, and other metals. Moreover, it is ideal for automotive, industrial, heavy-equipment, and precision engineering applications, delivering durable and high-accuracy results. Explore our full range of TIME-SERT® UNC Inserts for additional sizes and options.
Key Highlights
- Complete UNC Repair Solution for 1/4″ to 1/2″ threads
- Professional-Grade Kit with drills, taps, counterbores, and insert tools
- High-Strength Inserts engineered for durability under stress
- Precision Fitment with self-locking, pressure-sealed insert design
- Ideal for Automotive & Engineering applications requiring reliable thread restoration
Key Features
- Solid Bushing Inserts – Provide full load-bearing strength and resist vibration-related loosening.
- Self-Locking Design – Cold-rolled installation expands the insert into the parent metal, locking it permanently.
- Pressure-Sealed Threads – Prevent leakage of oil, water, fuels, and compressed gases.
- Thin-Walled Construction – Allows installation in limited-clearance areas while maintaining strength.
- Positive Placement Flange – Prevents insert wind-down and ensures accurate installation depth.
Why Choose This TIME-SERT UNC Repair Kit?
- OEM-Approved System – Trusted by leading automotive manufacturers worldwide.
- Long-Lasting Repairs – Restores threads to equal or greater strength than original OEM threads.
- Versatile Material Compatibility – Works in steel, aluminum, titanium, magnesium, copper alloys, and more.
- Professional Reliability – Perfect for mechanics, machinists, fleet maintenance, and engineering workshops.
Application and Instructions
Select the correct insert size, drill the damaged hole, counterbore the top, tap new threads, and install the flanged TIME-SERT® insert using the expanding driver. Consequently, the insert cold-rolls into place for a secure, permanent repair. For additional thread sizes, visit our TIME-SERT® section.
Contents
Read more
| Item / Thread Size | Quantity |
|---|---|
| 1/4-20 Inserts – Sizes: 1/4-20 x .380 & 1/4-20 x .500 | 20 (10 short, 10 long) |
| 5/16-18 Inserts – Sizes: 5/16-18 x .450 & 5/16-18 x .620 | 20 (10 short, 10 long) |
| 3/8-16 Inserts – Sizes: 3/8-16 x .520 & 3/8-16 x .750 | 20 (10 short, 10 long) |
| 7/16-14 Inserts – Sizes: 7/16-14 x .620 & 7/16-14 x .870 | 20 (10 short, 10 long) |
| 1/2-13 Inserts – Sizes: 1/2-13 x .650 & 1/2-13 x 1.00 | 20 (10 short, 10 long) |
| Driver Oil Bottle | 1 × 37 ml |
| Drills, Counterbores, Taps & Insert Drivers | Included per thread size |
Read less
Technical Specifications
| Specification | Value |
|---|---|
| Brand | TIME-SERT® |
| Kit Type | UNC Standard Thread Repair Kit |
| Number of Pieces | 120 |
| Material | 9SMn/Pb28K Steel Inserts |
| Applications | Automotive, Industrial, Engineering, Heavy Machinery |
| Thread Sizes | 1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13 |
| Insert Finish | Galvanized / Black Carbon Steel |
For spark plug repairs, consider TIME-SERT® Copper Inserts. Explore more in our TIME-SERT Inperial and Metric Thread Repair Inserts sections.
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]
You may also like…
-
Select options This product has multiple variants. The options may be chosen on the product pageTIME-SERT® UNC Thread Repair Inserts – 1/4″ to 5/8″ (Assorted Sizes)
Price range: £8.95 through £115.30



















