HELICOIL 4491-9CN0788 Inserts

( Brand: Helicoil ), ( Manufacturer Part Number: 4491-9CN0788 )

Review HELICOIL Inserts

Helicoil 4491-9CN0788 inserts are a type of thread repair insert produced by Helicoil, a leading manufacturer in the thread repair industry. These inserts are specifically designed for use in repairing stripped or damaged threads in various types of machinery and equipment, including engines, pumps, and industrial equipment.

The Helicoil 4491-9CN0788 inserts are made of high-strength, heat-treated alloy steel. The unique Helicoil design consists of a helix-shaped form with a tapered tip, which allows the insert to be installed into damaged threads without the need for additional tapping or threading. The insert's helix shape also ensures that it self-threads as it is being installed, making the repair process faster and more efficient.

These inserts are suitable for repairing threads with a size range of 1/2 inch to 2 inches in diameter and a pitch of 13 or 16 threads per inch (TPI). The 9CN designation in the part number refers to the specific thread form and pitch combination that these inserts are designed for.

One of the key advantages of Helicoil 4491-9CN0788 inserts is their ability to withstand high torque loads. The inserts are designed to provide a strong, reliable repair that can withstand the stresses and pressures commonly found in industrial and mechanical applications. Additionally, the inserts are designed to be self-locking, ensuring that they stay in place once installed and do not loosen over time.

To install the Helicoil 4491-9CN0788 inserts, a special installation tool is required. The tool consists of a threaded adapter that is used to securely hold the insert in place while it is being installed. The adapter also serves as a guide for the insert, ensuring that it is installed at the correct angle and depth. The installation process is relatively simple and can typically be completed in a few minutes using standard hand tools.

In summary, Helicoil 4491-9CN0788 inserts are high-strength, heat-treated alloy steel thread repair inserts designed for use in repairing stripped or damaged threads in machinery and equipment. The inserts feature a unique Helicoil design that allows for self-threading installation, making the repair process faster and more efficient. They are suitable for repairing threads with a size range of 1/2 inch to 2 inches in diameter and a pitch of 13 or 16 TPI, and are able to withstand high torque loads. To install the inserts, a special installation tool is required.

Helicoil 4491-9CN0788 inserts are thread repair inserts commonly used to repair stripped or damaged threads in various applications, particularly in automotive and industrial settings. Here are some pros and cons of using Helicoil 4491-9CN0788 inserts for thread repair:

1. Strong and durable: Helicoil inserts are made of high-strength materials, ensuring that the repaired threads can withstand significant loads and stresses.

2. Easy to install: The inserts come with a unique installation tool that makes it easy for users to install them without requiring any special skills or equipment.

3. Versatile: Helicoil inserts can be used to repair threads in various materials, including aluminum, steel, brass, and cast iron.

4. Time-saving: Using Helicoil inserts to repair damaged threads is often faster and more cost-effective than replacing the entire damaged component.

5. Improves thread strength: The helical design of the Helicoil inserts helps to improve the strength of the repaired threads, making them more resilient to future damage.

1. Expensive: Compared to other thread repair methods, Helicoil inserts can be more expensive, especially when used in large quantities.

2. Limited thread sizes: Helicoil inserts are available in a limited range of thread sizes, which may not cover all possible applications.

3. Requires precise installation: To ensure a successful repair, the Helicoil inserts need to be installed precisely, which may require some level of skill and experience.

4. May not be suitable for extremely worn threads: In some cases, the damage to the threads may be too extensive for Helicoil inserts to provide a reliable repair.

Helicoil 4491-9CN0788 inserts offer a strong, durable, and versatile solution for repairing damaged threads in various applications. However, they can be more expensive than other thread repair methods and may not be suitable for all thread sizes or extremely worn threads. Overall, if the application requires a reliable and long-lasting thread repair, Helicoil inserts are an excellent choice.

If you need to repair damaged threads in your application and want a reliable and long-lasting solution, consider using Helicoil 4491-9CN0788 inserts. Make sure to follow the installation instructions carefully to ensure a successful repair. Additionally, consider purchasing the inserts in bulk to take advantage of volume discounts and reduce overall costs.

Details:

Airworthiness is ONLY determined by the FAA approved mechanic or certified repair station. P/N 4491-9CN0788. Any is for the sole purpose of identifying an item. 273 Aircraft Part For Sale: Helicoil Inserts.

part #: 44919cn0788 price

• $49.99

specifications aviationpar:

• brand: Helicoil
• mpn: 4491-9cn0788

general aviationpar:

• condition: New
• Parts Accessories > Aviation Parts Accessories > Parts

offer aviationpar:

• quantity: 1
• best offers: True
• sold: 0
• availability: In Stock
• started: July 24, 2025
• options: Ship-to-home

shipping aviationpar:

• transit: 5-8 Days
• cost: $5.50
• type: Fixed
• service: Expedited
• class: Expedited

returns aviationpar:

• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted

payments aviationpar:

• credit card: Discover
• wallet: Google-pay
• other

seller aviationpar:

• # reviews: 9169
• rating: 99.9%
• city: Peoria, Arizona

Helicoil 4491-9CN0788 Is Similar To:

• Helicoil 4184-2.5cn 2 Screw Thread Inserts M2.5 X 0.45 (53% similar) Part #: Helicoil 4184-2.5CN for sale...(May 26th, 2025)
• Honeywell 38-18310-0069-1 Helicoil Inserts (45.1% similar) Sale for all. Airworthiness is only determined by the FAA approved mechanic or certified repair station. 269 aircraft part for sale: Honeywell Helicoil inserts. P/n 38-18310-0069-1. Any is for the sole purpose of identifying an item...(July 24th, 2025)
• Helicoil 4491-4cn0339 Inserts (86.2% similar) Any is for the sole purpose of identifying an item. Sale for all. P/n 4491-4CN0339. 269 aircraft part for sale: Helicoil inserts. Airworthiness is only determined by the FAA approved mechanic or certified repair station...(July 24th, 2025)
• Wesco Ms21209f4-15 Helicoil Screw Thread Inserts 1 4-28 Stainless Mil Spec (34.6% similar) 100 Helicoil inserts in factory sealed bag. 1/4-28 fine thread stainless steel. Fast free shipping...(August 1st, 2025)