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Best Back Tap Thread Repair Tool of 2025
Last updated on 31/12/2025
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Thread Repair Kits
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1
Qnkaa 151pcs Thread Repair Kit Helicoil Insert Sleeves Metric M5 M6 M8 M10 M12 Stainless Steel Tap Drill
Qnkaa
Why we love it
Complete solution for thread repair.
Suitable for wide-ranging sizes.
Convenient steel carrying case.
Main Highlights
ALL-IN-ONE 151PC KIT: This highly useful 151-piece thread repair kit is the perfect solution to a damaged or stripped thread hole.
WIDE-RANGING SIZES: Suitable for M5, M6, M8, M10, and M12. Create a stronger internal thread in soft metals and protect tapped threads against wear and damage.
RETHREADING TOOL KIT: Perform Helicoil thread insert installations, wire thread inserts, damaged thread repairs, twist drill bits, thread taps, lug breaking tools.
STEEL ORGANIZER BOX: All tools are packed in a convenient steel carrying case that fits perfectly on your workbench or on-the-go
SIZE: M5x0.8x6.7 mm, M6x1.0x8.0 mm, M8x1.25x10.8 mm, M10x1.5x13.5 mm, M12x1.75x16.3 mm
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9.9
Exceptional
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9.9
Exceptional
Qnkaa
Qnkaa 151pcs Thread Repair Kit Helicoil Insert Sleeves Metric M5 M6 M8 M10 M12 Stainless Steel Tap Drill
Check Price
Show More
Why we love it
Complete solution for thread repair.
Suitable for wide-ranging sizes.
Convenient steel carrying case.
Main Highlights
ALL-IN-ONE 151PC KIT: This highly useful 151-piece thread repair kit is the perfect solution to a damaged or stripped thread hole.
WIDE-RANGING SIZES: Suitable for M5, M6, M8, M10, and M12. Create a stronger internal thread in soft metals and protect tapped threads against wear and damage.
RETHREADING TOOL KIT: Perform Helicoil thread insert installations, wire thread inserts, damaged thread repairs, twist drill bits, thread taps, lug breaking tools.
STEEL ORGANIZER BOX: All tools are packed in a convenient steel carrying case that fits perfectly on your workbench or on-the-go
SIZE: M5x0.8x6.7 mm, M6x1.0x8.0 mm, M8x1.25x10.8 mm, M10x1.5x13.5 mm, M12x1.75x16.3 mm
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Value for Money
2
Laser 5225 Sump Plug Thread Repair Kit M13 x 1.5
Laser
Why we love it
High-quality automotive tool set.
Comprehensive sump plug solutions available.
Includes essential repair components.
Main Highlights
Contains: 1 x M13 x 15 tap, 6 drain plugs, 12 copper washers
Always use one size larger to re-tap thread Supplied with over size tap
Part of the wider Laser range of sump plug repair kits, sizes available range from M11 to M22
Automotive Tool
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9.9
Exceptional
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9.9
Exceptional
Laser
Laser 5225 Sump Plug Thread Repair Kit M13 x 1.5
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Why we love it
High-quality automotive tool set.
Comprehensive sump plug solutions available.
Includes essential repair components.
Main Highlights
Contains: 1 x M13 x 15 tap, 6 drain plugs, 12 copper washers
Always use one size larger to re-tap thread Supplied with over size tap
Part of the wider Laser range of sump plug repair kits, sizes available range from M11 to M22
Automotive Tool
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3
Powerbuilt 14mm Back Tap Spark Plug Thread Repair Tool, Straightening Tool, Motorcycle Spark Plugs, Repairs Damaged Threads, Collapsible Design - 640811
Powerbuilt
Why we love it
Collapsible design offers easy use.
Meets or exceeds ANSI standards.
Great for international buyers.
Main Highlights
Back-Tap's patented collapsible design allows it to engage be placed through the spark plug hole and into the chamber
Made in USA. Meets or exceeds ANSI standards.
International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
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9.8
Exceptional
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9.8
Exceptional
Powerbuilt
Powerbuilt 14mm Back Tap Spark Plug Thread Repair Tool, Straightening Tool, Motorcycle Spark Plugs, Repairs Damaged Threads, Collapsible Design - 640811
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Why we love it
Collapsible design offers easy use.
Meets or exceeds ANSI standards.
Great for international buyers.
Main Highlights
Back-Tap's patented collapsible design allows it to engage be placed through the spark plug hole and into the chamber
Made in USA. Meets or exceeds ANSI standards.
International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.
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4
Powerbuilt 12mm Back Tap Spark Plug Thread Repair Tool, Straightening Tool, Motorcycle Spark Plugs, Repairs Damaged Threads, Collapsible Design - 641148
Powerbuilt
Why we love it
Innovative design repairs damaged threads.
Efficient debris extraction during repair.
Durable quality from Powerbuilt Tools.
Main Highlights
Patented Back-Tap design expands inside spark plug hole to cut and restore damaged 12mm threads from the inside out
Collapsible tool easily passes through spark plug bore, then expands to repair threads while extracting debris and metal filings
Efficiently cleans and repairs cross-threaded spark plug holes, helping to avoid costly cylinder head removal and retapping
Precision thread cutting restores proper thread engagement for secure spark plug installation
Built by Powerbuilt Tools, known for durable, high-quality tools that meet or exceed US Government and ANSI standards
Back-Tap 12 millimeter thread straightening tool for motorcycle spark plug fouled threads
Collapsible design allows it to engage be placed through the spark plug hole and into the chamber
Expands the tool's threaded area and threading into the clean threads
Backtap repairs the damaged threads as it is drawn up through the spark plug hole
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9.7
Exceptional
Check Price
9.7
Exceptional
Powerbuilt
Powerbuilt 12mm Back Tap Spark Plug Thread Repair Tool, Straightening Tool, Motorcycle Spark Plugs, Repairs Damaged Threads, Collapsible Design - 641148
Check Price
Show More
Why we love it
Innovative design repairs damaged threads.
Efficient debris extraction during repair.
Durable quality from Powerbuilt Tools.
Main Highlights
Patented Back-Tap design expands inside spark plug hole to cut and restore damaged 12mm threads from the inside out
Collapsible tool easily passes through spark plug bore, then expands to repair threads while extracting debris and metal filings
Efficiently cleans and repairs cross-threaded spark plug holes, helping to avoid costly cylinder head removal and retapping
Precision thread cutting restores proper thread engagement for secure spark plug installation
Built by Powerbuilt Tools, known for durable, high-quality tools that meet or exceed US Government and ANSI standards
Back-Tap 12 millimeter thread straightening tool for motorcycle spark plug fouled threads
Collapsible design allows it to engage be placed through the spark plug hole and into the chamber
Expands the tool's threaded area and threading into the clean threads
Backtap repairs the damaged threads as it is drawn up through the spark plug hole
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5
HuuppHip Thread Chaser Repair Set 15Pcs, Universal Metric Thread Restorer Kit Thread Cleaning Tool with 7Pcs Rethreading Dies, 7Pcs Rethreading Taps & 1 Pcs Metric Thread File Rethread Repair Tool Kit
HuuppHip
Why we love it
Durable high-quality carbon steel.
Protective and portable storage case.
Easy retrieval and identification.
Main Highlights
【Professional Thread Repair Tool Set】 This set of thread repair tools includes 7 metric thread taps, 7 metric thread dies, 1 metric repair tool file, and a plastic toolbox. It is perfect for creating new threads or repairing damaged threads on most metals such as cast iron, steel, aluminum, and copper. It can easily help you repair damaged external and internal threads on nuts, bolts, and studs.
【High-Quality Tools】 The professional thread repair tool parts are made of high-quality carbon steel, providing exceptional hardness and maximum durability. The thread kit includes 7 metric thread tap sizes: M6-1.00, M8-1.25, M10-1.25, M10-1.50, M12-1.25, M12-1.50, M12-1.75, and 7 metric thread die sizes: M6-1.00, M8-1.25, M10-1.25, M10-1.50, M12-1.25, M12-1.50, M12-1.75.
【Wide Applicability】 The hexagonal drive head allows it to be used with standard metric sockets, ratchets, or combination wrenches. The metric thread file also comes with a detachable plastic sleeve to cover the hand-held cutting edge, preventing finger scratches, ensuring your projects are completed with precision and ease.
【Safe and Portable Storage Box】 All thread repair tools are safely stored in a thick blow-molded box, capable of withstanding high-pressure without deformation, protecting the products from damage. The grooves inside the box prevent the thread repair tools from moving randomly, effectively preventing wear and tear.
【Easy Retrieval and Identification】 Each metric thread tap is labeled with the corresponding specifications, making it easy to find when in use. In addition, each groove on the packaging box is labeled with the corresponding model, making it easy to find the perfect size for any repair job.
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9.5
Superb
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9.5
Superb
HuuppHip
HuuppHip Thread Chaser Repair Set 15Pcs, Universal Metric Thread Restorer Kit Thread Cleaning Tool with 7Pcs Rethreading Dies, 7Pcs Rethreading Taps & 1 Pcs Metric Thread File Rethread Repair Tool Kit
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Show More
Why we love it
Durable high-quality carbon steel.
Protective and portable storage case.
Easy retrieval and identification.
Main Highlights
【Professional Thread Repair Tool Set】 This set of thread repair tools includes 7 metric thread taps, 7 metric thread dies, 1 metric repair tool file, and a plastic toolbox. It is perfect for creating new threads or repairing damaged threads on most metals such as cast iron, steel, aluminum, and copper. It can easily help you repair damaged external and internal threads on nuts, bolts, and studs.
【High-Quality Tools】 The professional thread repair tool parts are made of high-quality carbon steel, providing exceptional hardness and maximum durability. The thread kit includes 7 metric thread tap sizes: M6-1.00, M8-1.25, M10-1.25, M10-1.50, M12-1.25, M12-1.50, M12-1.75, and 7 metric thread die sizes: M6-1.00, M8-1.25, M10-1.25, M10-1.50, M12-1.25, M12-1.50, M12-1.75.
【Wide Applicability】 The hexagonal drive head allows it to be used with standard metric sockets, ratchets, or combination wrenches. The metric thread file also comes with a detachable plastic sleeve to cover the hand-held cutting edge, preventing finger scratches, ensuring your projects are completed with precision and ease.
【Safe and Portable Storage Box】 All thread repair tools are safely stored in a thick blow-molded box, capable of withstanding high-pressure without deformation, protecting the products from damage. The grooves inside the box prevent the thread repair tools from moving randomly, effectively preventing wear and tear.
【Easy Retrieval and Identification】 Each metric thread tap is labeled with the corresponding specifications, making it easy to find when in use. In addition, each groove on the packaging box is labeled with the corresponding model, making it easy to find the perfect size for any repair job.
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6
KIMISS 12mm Back Tap 14mm Steel Back Tap Thread Repair Tool for Spark Plug Chaser, Hole Tools, Straightening - Steel, Damaged Threads
KIMISS
Why we love it
Repairs stripped threads effortlessly.
Perfect for 14mm spark plugs.
Compact design for tight spaces.
Main Highlights
1. REPAIR DAMAGED THREADS: Restore stripped or damaged threads with ease using the Back Tap Thread Repair Tool. This tool effectively repairs threads that have been damaged by rear taps passing through the spark plug hole, ensuring they are fully functional once again.
2. FOR SPECIFIC SIZE THREADS: Designed for 14mm spark plug dirty threads, this Spark Plug Thread Repair Tool is perfectly suited for repairing threads of 0.551 inches. Its precision design ensures accurate and effective thread repair every time.
3. FOLDABLE DESIGN: The Thread Hole Repair Tool features a unique foldable design that allows it to easily fit into tight spaces through the spark plug hole. This convenient design makes it a breeze to use, even in hard-to- areas.
5. MADE OF STEEL: Crafted from steel, the Spark Plug Thread Chaser is built to withstand daily use and the rigors of the repair process. This material guarantees strength and longevity, making it a tool for all your thread repair needs.
5. MADE OF STEEL: Crafted from steel, the Spark Plug Thread Chaser is built to withstand daily use and the rigors of the repair process. This material guarantees strength and longevity, making it a tool for all your thread repair needs.
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9.5
Superb
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9.5
Superb
KIMISS
KIMISS 12mm Back Tap 14mm Steel Back Tap Thread Repair Tool for Spark Plug Chaser, Hole Tools, Straightening - Steel, Damaged Threads
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Show More
Why we love it
Repairs stripped threads effortlessly.
Perfect for 14mm spark plugs.
Compact design for tight spaces.
Main Highlights
1. REPAIR DAMAGED THREADS: Restore stripped or damaged threads with ease using the Back Tap Thread Repair Tool. This tool effectively repairs threads that have been damaged by rear taps passing through the spark plug hole, ensuring they are fully functional once again.
2. FOR SPECIFIC SIZE THREADS: Designed for 14mm spark plug dirty threads, this Spark Plug Thread Repair Tool is perfectly suited for repairing threads of 0.551 inches. Its precision design ensures accurate and effective thread repair every time.
3. FOLDABLE DESIGN: The Thread Hole Repair Tool features a unique foldable design that allows it to easily fit into tight spaces through the spark plug hole. This convenient design makes it a breeze to use, even in hard-to- areas.
5. MADE OF STEEL: Crafted from steel, the Spark Plug Thread Chaser is built to withstand daily use and the rigors of the repair process. This material guarantees strength and longevity, making it a tool for all your thread repair needs.
5. MADE OF STEEL: Crafted from steel, the Spark Plug Thread Chaser is built to withstand daily use and the rigors of the repair process. This material guarantees strength and longevity, making it a tool for all your thread repair needs.
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7
Gunpla 15pcs Threading Taps Set Metric M3-M12 Alloy Steel Hand Thread Repair Tools with Tap Wrench, HSS Twist Drill Bits Heavy Duty Jobber Drills Kit 2.5-10.2mm in Metal Storage Case for Tile Wood
Gunpla
Why we love it
Highly durable tool assortment.
Ensures efficient, precision work.
Includes varied sizes.
Main Highlights
DURABLY FINISHED TOOLS: Gunpla thread taps are made from premium quality alloy steel material. In this repair tool kit features twisted drill bits forged with high speed steel making the full set composed of hardened and extremely durable accessories for daily work. They can be used in most conditions without getting damaged over the years.
DIN STANDARD METRIC TAPS: Our metric threading taps for enhanced work efficiency, meeting Din Standard, all internal thread trimmers they ease cutting experience into cut harder materials, with precision and smooth result. The threading and tapping tools are crafted to provide all the professionals and DIYs with the most adequate working conditions.
EFFORTLESS CUTTING: The threading metric tapping tools are used to easily cut and form threads on the inside surface holes, in order create female surfaces that will function as a nut. Before using these taps, make sure they have the proper tap geometry for your task or project. Properly align the taps during use, lubricate if necessary and make sure the torque is enough for smooth.
PRECISION OPERATION DRILLING: With these hardened drill bits crafted tough enough to survive difficult to drill in material, they can be operated at fast speed and provide precision control during use. The twist design heat resistant drill bits enable quick perforation and clean holes during your projects.
PACKAGE CONTENT: The Gunpla complete threading tap and drill bits set includes the 7pcs taps sizes; M3X0.5, M4X0.7, M5X0.8, M6X1.0, M8X1.25, M10X1.5, M12X1.75; 7pcs twisted drill bits sizes 2.5, 3.3, 4.2, 5.0, 6.8, 8.5, 10.2mm and 1pc tap wrench which all come in a metal case for safe storage.
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9.3
Superb
Check Price
9.3
Superb
Gunpla
Gunpla 15pcs Threading Taps Set Metric M3-M12 Alloy Steel Hand Thread Repair Tools with Tap Wrench, HSS Twist Drill Bits Heavy Duty Jobber Drills Kit 2.5-10.2mm in Metal Storage Case for Tile Wood
Check Price
Show More
Why we love it
Highly durable tool assortment.
Ensures efficient, precision work.
Includes varied sizes.
Main Highlights
DURABLY FINISHED TOOLS: Gunpla thread taps are made from premium quality alloy steel material. In this repair tool kit features twisted drill bits forged with high speed steel making the full set composed of hardened and extremely durable accessories for daily work. They can be used in most conditions without getting damaged over the years.
DIN STANDARD METRIC TAPS: Our metric threading taps for enhanced work efficiency, meeting Din Standard, all internal thread trimmers they ease cutting experience into cut harder materials, with precision and smooth result. The threading and tapping tools are crafted to provide all the professionals and DIYs with the most adequate working conditions.
EFFORTLESS CUTTING: The threading metric tapping tools are used to easily cut and form threads on the inside surface holes, in order create female surfaces that will function as a nut. Before using these taps, make sure they have the proper tap geometry for your task or project. Properly align the taps during use, lubricate if necessary and make sure the torque is enough for smooth.
PRECISION OPERATION DRILLING: With these hardened drill bits crafted tough enough to survive difficult to drill in material, they can be operated at fast speed and provide precision control during use. The twist design heat resistant drill bits enable quick perforation and clean holes during your projects.
PACKAGE CONTENT: The Gunpla complete threading tap and drill bits set includes the 7pcs taps sizes; M3X0.5, M4X0.7, M5X0.8, M6X1.0, M8X1.25, M10X1.5, M12X1.75; 7pcs twisted drill bits sizes 2.5, 3.3, 4.2, 5.0, 6.8, 8.5, 10.2mm and 1pc tap wrench which all come in a metal case for safe storage.
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8
Back Tap Thread Repair Tool 14mm Steel Spark Plug Thread Chaser Professional Thread Hole Repair Kit for Damaged Spark Plug Threads Restoration Durable Steel Construction 4.4oz
ANKROYU
Why we love it
Expertly restores damaged threads.
Designed for 14mm spark plugs.
Compact design for tight spaces.
Main Highlights
[PROFESSIONAL THREAD RESTORATION] This Back Tap Thread Repair Tool is expertly crafted to restore damaged spark plug threads with precision. Its innovative design effectively repairs stripped or worn threads ensuring a fit for spark plugs. The tool is ideal for mechanics and DIY enthusiasts who demand reliable thread repair solutions.
[ FIT FOR 14MM THREADS] Specifically designed for 0.551 inch (14mm) spark plug threads this tool guarantees accurate and effective repairs. Its precise engineering ensures compatibility with standard spark plug sizes making it an essential tool for automotive maintenance and engine repairs.
[FOLDABLE FOR EASY ACCESS] Featuring a clever foldable design this tool effortlessly fits through spark plug holes into tight engine chambers. The compact form factor allows for easy maneuverability in confined spaces making thread repairs quicker and more efficient than traditional methods.
[THREAD EXPANSION TECHNOLOGY] The unique expanding mechanism of this tool effectively broadens the thread area before creating clean new threads. This advanced process ensures repaired threads maintain alignment and strength matching original factory specifications.
[INDUSTRIAL GRADE STEEL CONSTRUCTION] Built from steel this thread repair tool offers exceptional durability and strength. It withstands repeated use and the rigors of thread repair operations making it a long lasting addition to any automotive tool collection.
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9.2
Superb
Check Price
9.2
Superb
ANKROYU
Back Tap Thread Repair Tool 14mm Steel Spark Plug Thread Chaser Professional Thread Hole Repair Kit for Damaged Spark Plug Threads Restoration Durable Steel Construction 4.4oz
Check Price
Show More
Why we love it
Expertly restores damaged threads.
Designed for 14mm spark plugs.
Compact design for tight spaces.
Main Highlights
[PROFESSIONAL THREAD RESTORATION] This Back Tap Thread Repair Tool is expertly crafted to restore damaged spark plug threads with precision. Its innovative design effectively repairs stripped or worn threads ensuring a fit for spark plugs. The tool is ideal for mechanics and DIY enthusiasts who demand reliable thread repair solutions.
[ FIT FOR 14MM THREADS] Specifically designed for 0.551 inch (14mm) spark plug threads this tool guarantees accurate and effective repairs. Its precise engineering ensures compatibility with standard spark plug sizes making it an essential tool for automotive maintenance and engine repairs.
[FOLDABLE FOR EASY ACCESS] Featuring a clever foldable design this tool effortlessly fits through spark plug holes into tight engine chambers. The compact form factor allows for easy maneuverability in confined spaces making thread repairs quicker and more efficient than traditional methods.
[THREAD EXPANSION TECHNOLOGY] The unique expanding mechanism of this tool effectively broadens the thread area before creating clean new threads. This advanced process ensures repaired threads maintain alignment and strength matching original factory specifications.
[INDUSTRIAL GRADE STEEL CONSTRUCTION] Built from steel this thread repair tool offers exceptional durability and strength. It withstands repeated use and the rigors of thread repair operations making it a long lasting addition to any automotive tool collection.
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9
Aramox Back Tap Thread Repair Tool, 14MM Back Tap Thread Repair Tool 640811 Spark Plug Thread Repair Tool for Automobile Repair
Aramox
Why we love it
Durable metal construction ensures longevity.
Repairs threads quickly and efficiently.
User-friendly for all skill levels.
Main Highlights
Professional: Thread repair tool is applicable for repairing 14mm damaged threads, ensuring trouble thread repair experiences.
Materials: Made of metal materials, this thread repair tool is built to last, with high strength and rust resistance, allowing for repeated use.
Time Saving: This tool can repair damaged threads quickly and effectively, without the need to remove the workpiece or machinery.
Versatility: This spark plug thread repair tool is universal for automobile repair, making it a versatile addition to any tool kit.
Easy to Use: Thread repair tool is easy to operate, ensures that anyone, from professionals to DIY enthusiasts, can effectively repair damaged threads.
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9.0
Superb
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9.0
Superb
Aramox
Aramox Back Tap Thread Repair Tool, 14MM Back Tap Thread Repair Tool 640811 Spark Plug Thread Repair Tool for Automobile Repair
Check Price
Show More
Why we love it
Durable metal construction ensures longevity.
Repairs threads quickly and efficiently.
User-friendly for all skill levels.
Main Highlights
Professional: Thread repair tool is applicable for repairing 14mm damaged threads, ensuring trouble thread repair experiences.
Materials: Made of metal materials, this thread repair tool is built to last, with high strength and rust resistance, allowing for repeated use.
Time Saving: This tool can repair damaged threads quickly and effectively, without the need to remove the workpiece or machinery.
Versatility: This spark plug thread repair tool is universal for automobile repair, making it a versatile addition to any tool kit.
Easy to Use: Thread repair tool is easy to operate, ensures that anyone, from professionals to DIY enthusiasts, can effectively repair damaged threads.
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10
Vrttlkkfe 14mm Back Tap Thread Metric Inserts Repair Thread Straightening Tool 640811
Vrttlkkfe
Why we love it
Effective thread repair solution.
Compact and foldable design.
Cleans threads effortlessly.
Main Highlights
When the thread is pulled up through the , the rear faucet repairs the damaged thread.
The thread area and thread of the tool are clean threads.
The foldable design allows it to be inserted through the and
14 mm thread straightening tool for -wire plugs
When passing through the , the damaged thread can be repaired.
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8.8
Excellent
Check Price
8.8
Excellent
Vrttlkkfe
Vrttlkkfe 14mm Back Tap Thread Metric Inserts Repair Thread Straightening Tool 640811
Check Price
Show More
Why we love it
Effective thread repair solution.
Compact and foldable design.
Cleans threads effortlessly.
Main Highlights
When the thread is pulled up through the , the rear faucet repairs the damaged thread.
The thread area and thread of the tool are clean threads.
The foldable design allows it to be inserted through the and
14 mm thread straightening tool for -wire plugs
When passing through the , the damaged thread can be repaired.
Show More