5288-7 HELICOIL Heli Coil Thread Repair Tap Tool Inserts Kit

Review HELICOIL Heli Coil Thread Repair Kit 7/16-14 Unc Tap Tool Inserts Preowned Usa Complete

The Helicoil 5288-7 Helicoil Thread Repair Kit is an essential tool for repairing damaged or stripped threads in 7/16-14 UNC (Unified National Coarse) taps. This kit includes all the necessary components for performing the repair quickly and effectively.

At the heart of this kit is the Helicoil thread insert. These inserts are made from high-strength, low-alloy steel and are specifically designed to provide a strong, reliable repair for damaged threads. Each insert comes pre-threaded and is designed to be installed using the provided tap tool.

The kit also includes a 7/16-14 UNC tap tool with replaceable inserts. These inserts are made from solid carbide and are designed to last for multiple repairs before needing to be replaced. The tap tool is also reversible, allowing for both left-hand and right-hand thread repairs.

The repair process is simple and straightforward. First, the damaged thread is cleaned and any debris is removed. Next, the Helicoil insert is installed using the tap tool. The insert is then reamed to ensure a snug fit and to remove any excess material. Finally, the thread is tapped to the required pitch diameter and the repair is complete.

Each kit comes with detailed instructions to guide you through the repair process. The instructions include diagrams and step-by-step instructions to ensure that the repair is performed correctly. Additionally, the kit includes a variety of helpful tools, such as a tap wrench and a reamer, to make the repair process as easy as possible.

In summary, the Helicoil 5288-7 Helicoil Thread Repair Kit is an essential tool for anyone who works with 7/16-14 UNC taps. The kit includes all the necessary components for repairing damaged threads quickly and effectively, and the included instructions make the repair process easy to understand and perform. Whether you're a professional mechanic or a DIY enthusiast, this kit is an invaluable addition to your toolbox.

Helicoil 5288-7 is a popular thread repair kit used for repairing damaged or stripped threads in 7/16-14 UNC (Unified National Coarse) tapered holes. Here are some pros and cons of buying this Helicoil kit:

1. Easy to use: The kit comes with a tap tool and insert screws, making it a convenient solution for repairing damaged threads on the go.

2. Cost-effective: Compared to replacing the entire part, using a Helicoil repair kit can save time and money.

3. Durable: The Helicoil inserts are made of high-strength material and provide excellent thread strength and durability.

4. Versatile: The kit can be used in various applications, including automotive, industrial, and marine.

1. Limited thread sizes: The 5288-7 kit is only suitable for 7/16-14 UNC tapered holes.

2. Requires precision: Proper installation of the Helicoil insert requires precise alignment and thread engagement, which can be challenging in some applications.

3. May not be suitable for high-stress applications: The Helicoil repair kit may not be suitable for applications that require extreme strength or high torque, as the repair may not be as strong as the original thread.

The Helicoil 5288-7 thread repair kit is an excellent solution for repairing damaged or stripped threads in 7/16-14 UNC tapered holes. Its ease of use, cost-effectiveness, and durability make it a popular choice for various applications. However, it has some limitations, such as limited thread sizes and the requirement for precise installation. If you need to repair threads in other sizes or in high-stress applications, you may need to consider other repair solutions.

If you need to repair 7/16-14 UNC tapered holes, the Helicoil 5288-7 thread repair kit is an excellent choice. It is cost-effective, easy to use, and provides durable thread repair. However, if you need to repair threads in other sizes or in high-stress applications, you may need to consider other repair solutions, such as thread taps, dies, or thread inserts designed for those specific applications.

Details:

See photos for exact condition and contents. Ships securely. Contents: tap, installation tool, 5 stainless steel inserts, and snap case. Preowned heli coil thread repair kit for 7/16-14 unc coarse thread applications.

Part numbers: Napa balk amp #770-3047. Even partial kits remain useful and collectible, especially when they include verified heli coil components. Condition: preowned; tools show light handling wear, inserts unused, snap case has some stains. Thread size: 7/16-14 unc.

This set includes the essential components for restoring damaged threads in metal parts.

specifications threadtoollot:

• brand: Helicoil
• mpn: 5288-7
• type: Heli-coil Insert
• system of measurement: Sae
• set or single item: Set
• country of origin: United States

seller threadtoollot:

• city: bryant, arkansas
• # reviews: 1244
• rating: 100.0%

returns threadtoollot:

• policy: no returns

offer threadtoollot:

• prices: $150.00–$297.12
• item condition:
  • Seller refurbished
  • New
• sold #: 11
• started: november 22, 2025
• options: ship-to-home
• in stock #: 4
• availability: in stock

payments threadtoollot:

• other
• wallet: google-pay
• credit card: diners-club

shipping threadtoollot:

• carrier: usps, fedex
• service: usps ground advantage, usps priority mail, fedex ground / fedex home delivery
• transit: 6-12 days
• type: calculated
• class: standard, expedited

general threadtoollot:

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