Top 10 Best backtap in 2026

Last Updated - 6/8/2026

🏆Best Choice

ARES

ARES 10111 – M14 Back Tap Thread Repair Tool – Collapsible Design Easily Engages and Repairs Threads from Inside Out – Keeps Metal Shavings Out of Cylinder

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•SPECIFICATIONS: This thread repair tool features a unique design that allows for easy spark plug thread repair while keeping the cylinder chamber clean. This tool features an M14 x 1.25mm thread spec and an overall length of 4-3/4” (121mm).
•DESIGN: This thread repair tool is designed with durability in mind, with a premium heat-treated chrome moly steel construction and zinc plating finish for corrosion resistance. The knurled thumb nut offers a sturdy positive grip, reducing hand slippage during use, and its compact design makes it a convenient tool for on-the-job carry and storage.
•APPLICATION: This thread repair tool quickly and easily cleans and repairs spark plug threads without removing the cylinder head. Its collapsible back-tap design repairs threads from the inside out, preventing metal shavings from entering the combustion chamber for mess-free service. This tool is also perfect for O2 sensor bungs and small engine applications that utilize M14 spark plugs.
•RELIABLE | EFFECTIVE | EFFICIENT: Users trust ARES to be quality tools that make an impact. You are backed by our Performance Assurance Limited Lifetime Warranty. If you have any issues with your ARES Back Tap Thread Repair Tool, simply contact customer service for troubleshooting help, parts, replacement, or refund.
•ASPCA BUSINESS AMBASSADOR: We are proud to be part of the ASPCA Business Ambassador Program. If you have a pet, you realize they are more than a pet, they are part of the family. With your support, we’re proud to help this great organization.

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$29.92

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DPTOOL

DPTOOL 14mm Back Tap Spark Plug Thread Repair Tool M14x1.25 Thread Chase Tap for Repairing Threads and Preventing Metal Shavings from Entering The Cylinder, 5.27'' Long

9.6

ChoiceComparer.com Score

9.6

/ 10

Outstanding

Main highlights

•Function: Used to fix severely cross damaged spark plug hole thread, cleaned up the threads without leaving scraps in the bore, no need pull cylinder head, no need coil insert.
•No Shavings Drop Into Engine: Used grease on the threaded, so that it will trap any metal shavings within it and pull out with the device rather than drop into the cylinder chamber, not worry about stuff going down into the engine
•High Quality Material: Made of high quality 42CrMo steel, its material is equivalent to 4140 steel, with high strength and toughness, good hardenability, no obvious tempering brittleness, high fatigue limit and multiple impact resistance after quenching and tempering, and good low-temperature impact toughness. Therefore, it is more durable hard to damage, is a nice heavy and precise tool
•Tips: Put it straight through the hole, expand it, back thread it 3-5x. Then reverse it in reverse, especially when it started getting tougher to turn, turning from side to side from time to time, at the same time, during the whole process, Just be sure to go slow. When u hit a hard patch, back it up a little then go forward again. After repeated operations, it is easy to remove the remaining material
•12 Months Warranty: We offer 12 months warranty, we will refund or replace if this 14mm back tap spark plug thread repair tool has any quality issue

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$15.99

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Powerbuilt

Powerbuilt 14mm Back Tap Spark Plug Thread Repair Tool, Straightening Tool, Motorcycle Spark Plugs, Repairs Damaged Threads, Collapsible Design - 640811

9.4

ChoiceComparer.com Score

9.4

/ 10

Outstanding

Main highlights

•SAVES THE DAY: The Back tap repairs the damaged thread as it is drawn up through the spark plug hole bringing any debris with it instead of falling into engine cylinder
•PATENTED DESIGN: 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 drawn up through the plug hole repairing threads as it goes
•TIME SAVER: Repairs fouled and damaged threads without removing cylinder heads; no need for tricky thread inserts
•TOP QUALITY: Meets or exceeds ANSI standards
•STRONG: Made of heat treated 4118 steel
•Back-Tap 14 millimeter thread straightening tool for 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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$20.13

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DPTOOL

DPTOOL Back Tap Spark Plug Thread Repair Tool 14mm 12mm 18mm 10mm 8mm M8 M10 M12 M14 M18 Thread Chase Tap Kit

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Must Have Tool for Repair Spark Plug Threads: Used to fix severely cross damaged spark plug hole thread, cleaned up the threads without leaving scraps in the bore, no need pull cylinder head, no need coil insert
•No Shavings Drop Into Engine: Used grease on the threaded, so that it will trap any metal shavings within it and pull out with the device rather than drop into the cylinder chamber, not worry about stuff going down into the engine
•Material: Made of high quality 42CrMo steel, its material is equivalent to 4140 steel, with high strength and toughness, good hardenability, no obvious tempering brittleness, high fatigue limit and multiple impact resistance after quenching and tempering, and good low-temperature impact toughness. Therefore, it is more durable hard to damage, is a nice heavy and precise tool
•Specifiction: It contains 7 tools, include 8mm, 10mm, 12mm, 14mm, 18mm back tap, detail size is: M8x1.0(4.5" length); M10x1.0(4.5" length); M12x1.25(5.27"length); M12x1.25(10.3"length); M14x1.25(5.27" length); M14x1.25(10.3" length); M18x1.5(3.4" length)
•Tips: Put it straight through the hole, expand it, back thread it 3-5x. Then reverse it in reverse, especially when it started getting tougher to turn, turning from side to side from time to time, at the same time, during the whole process, Just be sure to go slow. When u hit a hard patch, back it up a little then go forward again. After repeated operations, it is easy to remove the remaining material

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$119.00

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Tallew

Tallew 14 mm Back Tap Spark Plug Thread Repair Tool M14x1.25 Limited Access Spark Plug Thread Repair Kit, 5.22 x 0.57 Inch

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Thread Tool for Repairment: the package comes with 1 piece of thread tool, with a diameter of approx. 14 mm/ 0.55 inches (threaded portion), serving as an ideal helper for your repairing and replacing work, able to bring you lots of convenience
•Reliable Workmanship for Lasting Service: made of quality stainless steel, the thread repair tool is compact and sturdy in structure, hardly deforming or rusting, skillfully carved with even threads, offering you a pleasant using experience
•Satisfactory Practicality for Car Maintenance: the spark plug repair kit is designed to help you improve and clean the scalding between the threads of the spark plug, to prolong the lifespan of the spark plug
•Easy to Operate: you just need to attach oil to the end of the back tap thread repair tool, then insert it into the chamber and adjust the thumb nut for tightening, finally twist the tool upward; When using, you need to hold the lower end with your hand, then twist the upper end, and then you can pull out the slender part
•Appropriate Size for Nice Portability: designed with a size of approx. 5.22 x 0.57 inches, the limited access thread tool can be easily stored and carry around, not occupying too much space

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$12.59

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Jonard Tools

Jonard JIC-950C Quick Clip Insertion Tool

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•This multipurpose wire insertion tool performs several vital functions
•The wire cutter is designed to cut 22 and 24 gauge wire
•The hook at the back of the tool is used for both jumper and back-tap removal, and the bit inserts 22 or 24 gauge (0.5mm or 0.6mm) wire into the terminal block
•Ideal for wire insertion in 3-beam (112 type blocks) and 4 beam (78 type blocks) terminals in Cosmic and Cosmic II distributing frames

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$200.79

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Powerbuilt

Alltrade 642503 1/2" Dr. 10" Extension

8.7

ChoiceComparer.com Score

8.7

/ 10

Good

Main highlights

•1/2" Dr. 10" Extension
•Mirror Polished Chrome Vanadium Shaft
•Knurled Center And Dual Grease Rings On Female End

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$12.92

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Powerbuilt

Powerbuilt 641133 18mm Back-Tap Thread Repair Tool

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Made to be the most reliable tools in the market today
•Tool solutions for most all situations
•Built to exceed tool standards
•Back-Tap 18 millimeter thread straightening tool for 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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$49.95

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