Best Thread Inch Inserts & Repair Kits (April 2024) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

Heli-Coil 5521-8 1/2-13 Inch Coarse Thread Repair Kit

9.9
CPR Score
Top 2

TIME-SERT 7/16-14 SAE Thread Repair Kit

9.8
CPR Score
Top 3

60pcs Thread Insert Kit 304 Stainless Steel Wire Screw Sleeve Thread Repair I...

9.6
CPR Score
Tips


Our team has analyzed 130 products of different Tools & Equipment brands, including HORUSDY, CO-Z, Walfront, labwork, Heli-Coil, WFLNHB, TIME-SERT, PowerCoil, Perma-Coil, AKM And TAILUG. The following list of top 29 Thread Inch Inserts & Repair Kits is prepared for the customers by analyzing and comparing different 130 Thread Inch Inserts & Repair Kits reviews.

* Cherrypicksreviews.com is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Thread Inch Inserts & Repair Kits Rated by CherryPicks

Market Overview
Thread Inch Inserts & Repair Kits Reviewed
  • Reviews Analyzed: 2,095 Items
  • CPR Avg. Rating: 8.6 / 10
29 Products Evaluated
  • Highest Price: $354.26
  • Lowest Price: $2.91
  • Avg. Price: $87.38
Price Disclaimer

Top 29 Thread Inch Inserts & Repair Kits on Amazon (Verified You can Buy)

Top 1

Heli-Coil 5521-8 1/2-13 Inch Coarse Thread Repair Kit

Heli-Coil
5521-8
5.2 x 0.7 x 3.6 inches
0.31 Pounds

Ratings for Heli-Coil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
Elite Tool Center 8,779
MaxWarehouse 354

Features

Includes 6 inserts, complete instructions, Heli-Coil tap and installation tool
Used for repairing tapped holes
Show More
Top 2

TIME-SERT 7/16-14 SAE Thread Repair Kit

TIME-SERT
0761
5.0 x 3.0 x 1.0 Inches
100.0 Kilograms

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
TIME-SERT® -
Mechanics tools and bits -

Features

Time-Sert Inch Kit 7/16-14 Provided Insert length is .600 inches
Includes 5 Time-Sert Inserts
Show More
Top 3

60pcs Thread Insert Kit 304 Stainless Steel Wire Screw Sleeve Thread Repair Insert Assortment Kit

Walfront
3.1496 x 2.3622 x 0.7874 Inches
0.1543 Pounds

Ratings for Walfront (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
hotzzz 8,208

Features

USED FOR:Used in various low strength materials, which can improve the wear resistance of bolt connections and avoid the damage of thread
A CERTAIN ELASTIC:Because of a certain elastic, can make the load on the thread is more even, eliminate the screw and screw hole deviation between the pitch and tooth type, and can absorb vibration, thus increasing the screw thread connection strength and resistance to f
Show More

Heli-Coil 5521-6 3/8-16 Inch Coarse Thread Repair Kit

Heli-Coil
5521-6
5.8 x 0.6 x 3.6 Inches
0.2 Pounds

Ratings for Heli-Coil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
MaxWarehouse 354

Features

Leading Manufacturer Of High-Quality Products
International Renown For Our Diverse Range Of Award-Winning Products
Show More
Top 5

WFLNHB 131Pcs Thread Repair Kit HSS Drill Repair Kit SAE Inch

WFLNHB
Does not apply
10.3 x 7.1 x 1.5 Inches

Ratings for WFLNHB (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
WFLNHB 4,455
Amazon Warehouse 1
Top 6

Helicoil 5528-6 3/8-24 Inch Fine Thread Repair Kit

Heli-Coil
5528-6
5.8 x 0.9 x 3.5 Inches
0.1 Pounds

Ratings for Heli-Coil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
JBTools 241
PartsMonkey -

Features

Includes 12 inserts, complete instructions, Heli-Coil tap and installation tool
Used for repairing tapped holes
Show More
Top 7

TIME-SERT 5/16-18 SAE Thread Repair Kit

TIME-SERT
0561
5.0 x 3.0 x 1.0 Inches
100.0 Kilograms

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
TIME-SERT® -
Mechanics tools and bits -

HORUSDY 131Pc SAE Thread Repair Kit, HSS Drill Helicoil Repair Kit SAE,1/4" 5/16" 3/8" 7/16" 1/2"

HORUSDY
97337
14.56 x 7.67 x 1.57 Inches
4.3 Pounds

Ratings for HORUSDY (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HORUSDY 432

Features

This Thread Repair kit is Used to Repair or Replace Damaged or Stripped Internal Screw Threads.
Ideal for Restoring Damaged Threads, Suitable for Engine Repair and Other Automotive Applications
Show More
Top 9

TIME-SERT 0144 1/4-24 Harley Davidson Inch Thread Repair Kit

TIME-SERT
0144
5.0 x 3.0 x 1.0 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Mechanics tools and bits -

Features

First Time Head Bolt Repair for 1/4-24
For Repairing Harley's Cam Screw Cover
Show More
Top 10

TIME-SERT 0968 9/16-18 Inch Thread Repair Kit

TIME-SERT
0968
6.5 x 4.0 x 1.5 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
TIME-SERT® -
Mechanics tools and bits -

Features

Time-Sert Inch Kit 9/16-18 Provided Insert length is .750 inches
Recommended by leading automotive manufacturers
Show More
Top 11

Powercoil 3532-5/16K UNC 5/16-18 Thread Repair Kit (1 Kitper Pack),20

PowerCoil
3532-5/16K
7.25 x 4.5 x 1.0 Inches

Ratings for PowerCoil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
UnbeatableSale, Inc 1,011
Materro LLC -

Features

Thread repair kit containing drill, tap, installation tool, tang break tool, quantity of inserts and instructions
Used to repair damaged or worn out threads
Show More
Top 12

Big-Sert 5420 1/4-20 Oversized Inch Thread Repair Kit

TIME-SERT
5420
5.0 x 3.0 x 1.0 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Mechanics tools and bits -
Wes Industry -

Features

Second time thread repair for 1/4-20 holes
Recommended by leading automotive manufacturers
Show More
Top 13

NEW TIME-SERT 3/8-16 SAE Thread Repair Kit # 0381

TIME-SERT
0381
5.0 x 3.0 x 1.0 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
TIME-SERT® -
Mechanics tools and bits -
Top 14

TIME-SERT 0581 5/8-11 Inch Thread Repair

TIME-SERT
0581
6.5 x 4.0 x 1.5 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
TIME-SERT® -
Mechanics tools and bits -

Features

Time-Sert Inch Kit 5/8-11 Provided Insert length is .850 inches
Recommended by leading automotive manufacturers
Show More
Top 15

Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit

Heli-Coil
5528-4
4.6 x 1.0 x 3.7 Inches
0.2 Pounds

Ratings for Heli-Coil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Includes 12 inserts, complete instructions, Heli-Coil tap and installation tool
Used for repairing tapped holes
Show More
Top 16

TIME-SERT 0341 3/4-10 Inch Thread Repair Kit

TIME-SERT
0341
14.0 x 11.0 x 3.0 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
TIME-SERT® -
Mechanics tools and bits -

Features

Time-Sert Inch Kit 3/4-10 Provided Insert length is 1.100 inches
Recommended by leading automotive manufacturers
Show More
Top 17

Helicoil 5521-7 7/16-14 Inch Coarse Thread Repair Kit

Heli-Coil
5521-7
5.2 x 0.6 x 3.6 Inches
0.2 Pounds

Ratings for Heli-Coil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -
MaxWarehouse 354
BarMac Automotive -

Features

This are highly durable
This is manufactured in China
Show More
Top 18

Big-Sert 5761 7/16-14 Oversized Inch Thread Repair Kit

TIME-SERT
5761
6.5 x 4.0 x 1.5 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Mechanics tools and bits -
Wes Industry -

Features

Second time thread repair for 7/16-14 holes
Recommended by leading automotive manufacturers
Show More
Top 19

Big-Sert 5382 3/8-24 Oversized Inch Thread Repair Kit

TIME-SERT
5382
6.5 x 4.0 x 1.5 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Wes Industry -

Features

Second time thread repair for 3/8-24 inch holes
Recommended by leading automotive manufacturers
Show More

CO-Z 131PC SAE Thread Repair Kit, HSS Drill Helicoil Kit Standard, 1/4" 5/16" 3/8" 7/16" 1/2"

CO-Z

Ratings for CO-Z (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Banyan Imports 1,989
Top 21

TIME-SERT 3/8-16 Starter Bolt Thread Repair kit P/n 1535

TIME-SERT
1535
6.5 x 4.0 x 1.5 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Mechanics tools and bits -
Wes Industry -

Features

3/8-16 Starter bolt thread repair kit cast iron blocks or aluminum blocks P/n 1535 TIME-SERT
TIME-SERT P/n 1535 Kit includes all the tools and 4 special inserts with straight section for bolt alignment built into the insert.
Show More
Top 22

Helicoil - Kit 3/4-16 (5528-12)

Heli-Coil
HEL5528-12
11.0 x 2.3 x 2.0 Inches
6.3 Pounds

Ratings for Heli-Coil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
American-Mechanic 5,911
Data Alchemy -

Features

Made To Withstand Even The Toughest Jobs
Designed With The User In Mind
Show More
Top 23

Powercoil 3521-14.00K M14-1.5 Thread Repair Kit (1 Kitper Pack)

PowerCoil
3521-14.00K
7.75 x 5.0 x 1.5 Inches
0.15 Pounds

Ratings for PowerCoil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amazon.com -

Features

Thread repair kit containing, tap, installation tool, quantity of inserts and instructions
Used to repair damaged or worn out threads
Show More

TAILUG Inch Thread Repair Kit, 131Pcs Helicoil Repair Kit in 1/4" 5/16" 3/8" 7/16" 1/2" HSS Drill Bits Threaded Inserts Screw Tap Installation Tool and Tang Break Tool Included

TAILUG
TR02-002
15.0 x 12.0 x 2.5 Inches

Ratings for TAILUG (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
tengsenus -

Features

【WIDELY USED】: Our drill and tap set creates a stronger internal thread in soft metals and protects tapped threads against wear and damage. It is suitable for repair stripped or damaged internal threads and widely used in automotive and plumbing applications.
【INCH】: Standard 131pcs inch thread repair kit, includes HSS drill bits, wire thread inserts, STI taps, installation and tang break tools. 1/4", 5/16", 3/8", 7/16", 1/2" SAE sizes get you fully equipped.
Show More
Top 25

7/16-14 Oversized Big-SERT Kit cast Iron Big or Small Block Thread Repair p/n 5761E

TIME-SERT
5761E
6.5 x 4.0 x 1.5 Inches

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Mechanics tools and bits -
Wes Industry -

Features

7/16-14 OverSized BIG-SERT Kit cast iron Big or Small Block thread repair p/n 5761E Also used in rocker stud repair.
Used in cast iron blocks where the material thickness is approx 5/8 or .625 inches
Show More
Top 26

TIME-SERT Inch Steel Insert 1/2-20 X 1.000 Part # 01223

TIME-SERT
01223

Ratings for TIME-SERT (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Mechanics tools and bits -

Features

Inch Insert Size 1/2-20
Insert Length inches is 1.000
Show More

AKM 243Pc Thread Repair Kit, HSS Drill Helicoil Repair Kit SAE with Adjustable Die Wrench and Thread Gauge,1/4" 5/16" 3/8" 7/16" 1/2" Kit

AKM
5.5116 Pounds

Ratings for AKM (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Amzzz -

Features

This Thread Repair kit is Used to Repair or Replace Damaged or Stripped Internal Screw Threads.Suitable for engine repair and other automotive applications.
Sae: The kit Has Altogether 243 Pieces including insert installations, wire thread inserts, twist drill bits, thread taps, lug breaking tools ,thread gauge and adjustable tap wrench handle that allow you to have a smooth repairing experience.All Made According to Professional Standard.
Show More
Top 28

Perma-Coil 1208-016- Thread Repair Kit 6-32 12PC

Perma-Coil

Ratings for Perma-Coil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Thread Kits Company -
tools0234 -

Features

Thread Size: 6-32
Pack of 12 - Aerospace Quality, 304 Stainless Steel, Free-Running Inserts
Show More
Top 29

Perma-Coil 1208-209 Thread Repair Kit 9/16-18 6PC Helicoil 5402-9

Perma-Coil

Ratings for Perma-Coil (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Thread Kits Company -

Features

Thread Size: 9/16-18
Pack of 6 - Aerospace Quality, 304 Stainless Steel, Free-Running Inserts
Show More

Top 10 Thread Inch Inserts & Repair Kits - Verified to Buy (Apr. 2024)

Top 10 Thread Inch Inserts & Repair Kits Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • Heli-Coil
  • TIME-SERT
  • Walfront
  • WFLNHB
  • HORUSDY
  • PowerCoil
  • CO-Z
  • TAILUG
  • AKM
  • Perma-Coil

Top 10 Thread Inch Inserts & Repair Kits Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Amazon Warehouse 4,312,804 4.5
🥈 JBTools 7,916 4.8
🥉 MaxWarehouse 6,214 4.7
4 HORUSDY 5,440 4.9
5 UnbeatableSale, Inc 3,132 4.7
6 Banyan Imports 2,054 4.8
7 labwork-parts 1,605 4.7
8 WFLNHB 1,134 4.7
9 American-Mechanic 912 4.6
10 hotzzz 700 4.7
View or download top Thread Inch Inserts & Repair Kits seller & rating report
Amazon Warehouse [4312804] JBTools [7916] MaxWarehouse [6214] HORUSDY [5440] UnbeatableSale, Inc [3132] Banyan Imports [2054] labwork-parts [1605] WFLNHB [1134] American-Mechanic [912] hotzzz [700] Amazon Warehouse 99% JBTools 0% MaxWarehouse 0% HORUSDY 0% UnbeatableSale, Inc 0% Banyan Imports 0% labwork-parts 0% WFLNHB 0% American-Mechanic 0% hotzzz 0%

[Get] Thread Inch Inserts & Repair Kits Deals (✅Exclusively for Prime)

What does "Amazon Fulfilled" Mean?

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When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

Shop Prime Thread Inch Inserts & Repair Kits Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Tools & Equipment supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Thread Inch Inserts & Repair Kits to buy for new April 2024?

CherryPicks’s Methodology for Evaluating Thread Inch Inserts & Repair Kits

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Tools & Equipment items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 130 of Thread Inch Inserts & Repair Kits reviews based on our selection criteria. It helped us shortlist the top qualified and rated Thread Inch Inserts & Repair Kits for Tools & Equipment, We found that most customers choose Thread Inch Inserts & Repair Kits with an average price of $87.38, and the top brands are HORUSDY, CO-Z, Walfront, labwork, Heli-Coil, WFLNHB, TIME-SERT, PowerCoil, Perma-Coil, AKM And TAILUG. 

Then our expert-level editors reviewed all those quality items and selected the top 29 Thread Inch Inserts & Repair Kits for you, We have researched hundreds of sellers and picked the top sellers for Tools & Equipment, including Amazon Warehouse, JBTools, MaxWarehouse, HORUSDY, UnbeatableSale, Inc, Banyan Imports, labwork-parts, WFLNHB, American-Mechanic, hotzzz, Elite Tool Center And Data Alchemy. The Heli-Coil 5521-8 1/2-13 Inch Coarse Thread Repa... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 132 consumers with an average rating of 4.7.

We've helped a lot of satisfied users get the right Automotive product based on their needs, and save lots of time for them to pick Thread Inch Inserts & Repair Kits to buy.


Written By Craig Hill

Christian Buccho is a mechanic in love with automotive repairs. He will be sharing his experience with us an automotive repairer over the years. He will not only provide us with informative articles, he would also be providing us with hands-on reviews on automotive parts.