HELICOIL 4491-4CN0339 Inserts

( Brand: Helicoil ), ( Manufacturer Part Number: 4491-4CN0339 )

Review HELICOIL Inserts

Helicoil 4491-4CN0339 inserts are thread repair inserts specifically designed for repairing stripped or damaged threads in various types of industrial and automotive applications. These inserts are manufactured by Helicoil, a leading brand known for their high-quality thread repair solutions.

The 4491-4CN0339 model is a part of Helicoil's conventional Helicoil thread inserts product line. These inserts are made of a strong and durable alloy material, which provides excellent resistance to wear and tear, making them suitable for use in high-stress environments. The insert's unique helix design allows for the formation of a new thread during installation, ensuring a strong and secure repair.

These inserts are designed to fit into a tapped hole with a size of 3/8-16 UNF (Unified National Thread) or M14x1.5. The "CN" in the part number denotes that these inserts are designed for use in aluminum alloy materials. The "0339" is the specific lot number for this particular product.

Installing Helicoil 4491-4CN0339 inserts is a relatively straightforward process. The insert is first lightly tapped into the damaged thread using a hammer and a special installation tool. Once the insert is seated properly, a nut is tightened onto the insert, forming the new thread and securing the repair.

These Helicoil inserts offer several advantages over other thread repair methods. They provide a stronger and more reliable repair compared to using thread tap and die sets. They also eliminate the need for costly and time-consuming machining or welding repairs. Additionally, they can be installed quickly and easily in the field, minimizing downtime and reducing labor costs.

In summary, Helicoil 4491-4CN0339 inserts are a versatile and effective solution for repairing damaged or stripped threads in various industrial and automotive applications. Their strong and durable design, ease of installation, and ability to provide a reliable and secure repair make them a valuable addition to any maintenance or repair toolkit.

Helicoil 4491-4CN0339 inserts are thread repair inserts designed to restore damaged or stripped threads. Here are some pros and cons of using these inserts for thread repair:

1. Easy to use: Helicoil inserts can be installed using a hand helicoil tool or a power drill with a helicoil installation attachment.

2. Time-saving: Helicoil inserts can be used to repair threads on the spot, without the need to remove the damaged part and send it to a machine shop for repair.

3. Cost-effective: Compared to the cost of replacing a damaged part or having it repaired by a machine shop, using Helicoil inserts can be a more cost-effective option.

4. Versatile: Helicoil inserts are available in various sizes and materials, making them suitable for repairing threads in a wide range of applications.

1. Limited thread size range: Helicoil inserts are available in specific thread sizes, and it may be difficult to find an exact match for damaged threads that are not commonly used.

2. Thread damage may not be repairable: In some cases, the damage to the threads may be too severe for Helicoil inserts to effectively repair.

3. Requires proper installation: Proper installation of Helicoil inserts is crucial for ensuring a successful repair. Improper installation can lead to leaks or other issues.

In conclusion, Helicoil 4491-4CN0339 inserts can be a useful tool for repairing damaged or stripped threads in various applications. They offer several advantages, including ease of use, time-saving, cost-effectiveness, and versatility. However, they also have some limitations, such as a limited thread size range and the need for proper installation.

Recommendation: If you have damaged threads that need to be repaired, consider using Helicoil 4491-4CN0339 inserts as a cost-effective and convenient option. However, make sure to choose the correct size and properly install the inserts for best results. If you are unsure about the extent of the thread damage or the appropriate size of the Helicoil insert, consult with a professional mechanic or thread repair specialist.

Details:

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.

part #: 44914cn0339 price

• $75.00

specifications aviationpar:

• brand: Helicoil
• mpn: 4491-4cn0339

seller aviationpar:

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

offer aviationpar:

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

shipping aviationpar:

• cost: $5.50
• type: Fixed
• service: Expedited
• class: Expedited
• transit: 4-8 Days

payments aviationpar:

• other
• wallet: Paypal
• credit card: Mastercard

returns aviationpar:

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

general aviationpar:

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

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