AMMCO 4670-4671 Gearbox Lead Screw Up Nut Lathes

( Brand: Ammco ), ( Manufacturer Part Number: 4670-4671 ), ( Part Type: Screw Lathe ), ( Set Or Single Item: Single Item )

Review AMMCO 4670 Gearbox Feed Lead Screw And 4671 Take Up Nut Lathes fits 4000 3000

The AMMCO 4670-4671 set is a crucial replacement component for 3000 and 4000 series lathes. This set consists of two parts: the 4670 gearbox lead screw and the 4671 up nut.

The 4670 gearbox lead screw is a vital part of the lathe's gearbox system. It is designed to transmit power from the motor to the lathe's spindle, enabling the user to turn the workpiece at the desired speed. This lead screw is precision machined for a perfect fit and is made of high-strength steel for durability and longevity. It comes with a hardened and ground thread for smooth engagement with the nut.

The 4670 gearbox lead screw also features a double-threaded design, which allows for easy and convenient removal and installation. Its thread pitch is standard, making it compatible with various lathes in the 3000 and 4000 series. The lead screw's dimensions are carefully measured to ensure a precise fit in your lathe, providing optimal performance and accuracy.

The 4671 up nut is the counterpart to the lead screw and serves as the point of connection between the lead screw and the lathe's spindle. It is designed to securely grip the lead screw, allowing for the controlled movement of the spindle during operation. This up nut is also precision machined for a perfect fit and is made of durable steel. It comes with a hardened and ground thread to match the lead screw for smooth engagement.

The 4671 up nut is also double-threaded for ease of installation and removal. Its thread pitch is standard, ensuring compatibility with various lathes in the 3000 and 4000 series. The up nut's dimensions are meticulously measured to ensure a snug fit in your lathe, providing reliable and consistent performance.

In summary, the AMMCO 4670-4671 set is a must-have replacement component for 3000 and 4000 series lathes. The 4670 gearbox lead screw and the 4671 up nut are both precision machined for a perfect fit and are made of high-strength steel for durability. They come with hardened and ground threads for smooth engagement and are double-threaded for ease of installation and removal. This set is a reliable and cost-effective solution to keep your lathe in top working condition.

The AMmco 4670-4671 4670 gearbox lead screw 4671 up nut, part number 3000-4000, is a replacement component for certain types of lathes. This part is essential for the proper functioning of the gearbox in the lathe, allowing for the accurate movement and control of the tool post.

1. Improved precision: Worn or damaged lead screws and up nuts can affect the accuracy of your lathe. Replacing them with new ones can help improve the precision of your machining.

2. Longer tool life: Worn or damaged lead screws and up nuts can also lead to increased tool wear and breakage. Replacing them can help extend the life of your cutting tools.

3. Reduced downtime: If your lathe is out of order due to a worn or damaged lead screw or up nut, replacing them with new ones can help get your machine back up and running quickly.

4. Cost-effective: Replacing worn or damaged lead screws and up nuts is often a more cost-effective solution compared to purchasing a new lathe or even a new gearbox.

1. Installation complexities: Installing a new lead screw and up nut can be a complex process that requires some mechanical knowledge and skills. It may be necessary to disassemble parts of the lathe to access the gearbox and install the new components.

2. Cost: While replacing the lead screw and up nut is generally a more cost-effective solution compared to purchasing a new lathe or gearbox, the cost of the replacement parts can still be significant.

3. Potential for errors: Installing the new lead screw and up nut incorrectly can lead to further issues and even damage to the lathe. It is essential to follow the manufacturer's instructions carefully and ensure that the components are installed correctly.

In conclusion, the decision to buy the AMmco 4670-4671 4670 gearbox lead screw 4671 up nut, part number 3000-4000, depends on your specific situation and requirements. If your lathe's precision or tool life is being affected by worn or damaged lead screws or up nuts, replacing them can be a cost-effective solution to help improve the performance and longevity of your machine. However, it is important to consider the potential installation complexities and costs associated with the replacement process.

Recommendation: If you are considering purchasing this component, it is recommended that you thoroughly research the installation process and ensure that you have the necessary knowledge and skills to install the new lead screw and up nut correctly. Additionally, it may be beneficial to obtain the replacement parts from a reputable supplier to ensure their quality and fit.

Details:

AMMCO 4670 GEARBOX FEED LEAD SCREW 4671 TAKE UP NUT FOR 3000 4000 LATHES GOOD USED WORKING CONDITION SOLD AS IS - SEE PICTURES.

part #: 46704671 prices

• $33.23-$187.99

specifications shopequipm:

• for models: 4000, 3000
• brand: Ammco
• mpn: 4670-4671
• part type: Screw Lathe
• set or single item: Single Item

seller shopequipm:

• # reviews: 1353
• rating: 98.6%
• city: Cleveland, Ohio

returns shopequipm:

• policy: No Returns

payments shopequipm:

• wallet: Apple-pay
• credit card: Mastercard
• money order
• cash
• other
• check

shipping shopequipm:

• transit: 5-10 Days
• cost: $13.70
• type: Calculated
• carrier: USPS, FedEx
• service: USPS Ground Advantage, FedEx Ground / FedEx Home Delivery
• class: Standard

offer shopequipm:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: January 17, 2026

general shopequipm:

• Automotive Tools Supplies > Shop Equipment Supplies > Brake Lathes
• condition: Used

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