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  3. BFO AK4HYS

AK4HYS BFO Outside Thread Chaser Repair Tool

fits year: 2012–2024.

AK4HYS BFO Outside Thread Chaser Repair Tool
Item Aspects
BrandBFO
Manufacturer Part NumberAK4HYS
Box ColorTHE COLOR OF THE BOX IS RANDOM
California Prop 65 WarningCALIFORNIA PROP 65 WARNING
Country Of OriginCHINA
FitmentWORK ON THREADS WITH DIAMETERS FROM 1-1/4 TO 5 O.D.
MaterialCARBON STEEL
Package Included1 7402 UNIVERSAL OUTSIDE THREAD CHASER
Set Or Single ItemSET
System Of MeasurementMETRIC
TypeOUTSIDE THREAD CHASER
Warranty2 YEAR

Review BFO Universal Outside Thread Chaser External Repair Tool

The BFO AK4HYS 7402 Outside Thread Chaser Repair Tool is an essential addition to any mechanic's or DIY enthusiast's toolbox. This versatile tool is designed to repair and restore damaged external threads on various components, including engine blocks, cylinder heads, and transmission housings.

The BFO AK4HYS 7402 comes with interchangeable chasers for 12, 14, 16, 18, and 24 thread sizes. These chasers are made from high-quality, heat-treated steel, ensuring durability and longevity. Each chaser features a precise cutting edge and is designed to fit snugly into the damaged thread, allowing for accurate and efficient thread repair.

The handle of the BFO AK4HYS 7402 is ergonomically designed for maximum comfort and control. It is made from a sturdy material that can withstand the rigors of regular use. The handle also features a textured grip, providing a secure hold and preventing slippage during operation.

Using the BFO AK4HYS 7402 is a straightforward process. Simply insert the appropriate chaser into the damaged thread, secure it in place using the provided locking nut, and then turn the handle clockwise to chase the new thread. The tool's precise cutting edges will remove the old thread material, preparing the way for a new thread to be tapped in.

The BFO AK4HYS 7402 Outside Thread Chaser Repair Tool is an indispensable tool for anyone who works on engines or other mechanical components. Its versatility, durability, and ease of use make it an invaluable addition to any toolbox. Whether you're a professional mechanic or a DIY enthusiast, this tool will help you save time and money by allowing you to repair damaged threads on the spot, rather than replacing entire parts.

The BFO AK4HYS 7402 Outside Thread Chaser Repair Tool is designed for repairing damaged or worn threads on various types of components, including those with 12, 14, 16, 18, and 24 threads per inch (TPI). Here are some potential pros and cons of purchasing this tool:

Pros:

1. Versatility: This tool can be used to repair threads with different pitches, making it a useful addition to a mechanic's or DIY enthusiast's toolbox.

2. Durability: The BFO AK4HYS 7402 is made of high-quality materials, including heat-treated steel and hardened cutting edges, which can withstand the rigors of frequent use.

3. Easy to Use: The tool comes with a handle that provides a good grip, making it easy and comfortable to use. Additionally, it can be used with both power drills and hand drills, making it flexible in terms of application.

4. Cost-Effective: Compared to the cost of replacing damaged components or paying for professional thread repair services, using this tool can be a cost-effective solution for repairing threads on various components.

Cons:

1. Learning Curve: Thread repair can be a complex process, and using this tool may require some practice and experience to get good results.

2. Requires Precision: Thread repair requires a high degree of precision, and using this tool incorrectly could result in further damage to the component or the thread itself.

3. Cost: While the tool itself may be cost-effective, the cost of replacement drill bits and other accessories can add up over time.

Conclusion:

The BFO AK4HYS 7402 Outside Thread Chaser Repair Tool is a valuable addition to any mechanic's or DIY enthusiast's toolbox. Its versatility, durability, and ease of use make it a cost-effective solution for repairing damaged threads on various components. However, it does require some level of skill and precision to use effectively, and the cost of replacement drill bits and other accessories can add up over time. Overall, if you frequently encounter damaged threads and have the necessary skills and experience, this tool is definitely worth considering as an investment.

Recommendation:

If you are considering purchasing the BFO AK4HYS 7402 Outside Thread Chaser Repair Tool, I would recommend taking some time to familiarize yourself with the tool and its operation before attempting to repair any critical components. Additionally, consider investing in a good quality set of drill bits and other accessories to ensure that you have the necessary tools to complete the job effectively and efficiently. Finally, be sure to read and follow the manufacturer's instructions carefully to ensure that you are using the tool safely and correctly.

Details:

7th, after APR. Eliminate the need for expensive thread cutting equipment. Fast shipping. Package included.

Nice performance: the die cast alloy v-pad will not damage the threads and v-pads dies are replaceable. 1.benefits this thread chaser will quickly restore threads to near original condition without the use of expensive thread-cutting equipment. 7402 universal outside thread chaser will work on threads with diameters from 1-1/4 to 5.d. Easy to use: just tighten the tool slightly on good threads, and then back off over damaged thread area to restore threads.

Guaranteed fitment always the correct part. . Specification: direct replace for no.216884, threads per inch: 4,5,6,7,7-1/2,8,9,10,11,11-1/2,12,14,16,18,20 and 24, material: carbon steel. 1 PC 7402 universal outside thread chaser includes standard die set 216884, as shown in the picture.

specifications threadtoollot:

  • for years: 2012–2024
  • brand: Bfo
  • mpn: Ak4hys
  • box color: The Color Of The Box Is Random
  • california prop 65 warning: California Prop 65 Warning
  • country of origin: China
  • fitment: Work On Threads With Diameters From 1-1/4 To 5 O.d.
  • material: Carbon Steel
  • package included: 1 7402 Universal Outside Thread Chaser
  • set or single item: Set
  • system of measurement: Metric
  • type: Outside Thread Chaser
  • warranty: 2 Year

general threadtoollot:

  • category: Auto Parts > Supplies > Hand > Threading Tools

offer threadtoollot:

  • sold #: 6
  • started: june 11, 2026
  • best offers: true
  • quantity: 6
  • availability: in stock
  • options: ship-to-home

seller threadtoollot:

  • # reviews: 10190
  • city: houston, texas
  • rating: 99.8%

shipping threadtoollot:

  • service: fedex ground / fedex home delivery
  • carrier: fedex
  • type: fixed
  • class: standard
  • transit: 2-6 days

returns threadtoollot:

  • time: 30 days
  • policy: returns accepted
  • paid by: seller

payments threadtoollot:

  • other
  • wallet: apple-pay
  • credit card: visa
rating: 99.8% out of 100 based on 190 user ratings.
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