Parts over 20lbs
- Turning and sizing ring blanks and bands
- Machining ring mandrels and expanding mandrels
- Cutting and finishing bezels, settings, and prongs
- Making collet-held parts and small precision components
- Truing and modifying stone setting tools
- Fabricating custom jigs, fixtures, and specialty tools
- Light turning of precious and non-precious metals
- Working with wax, plastic, aluminum, and steel for prototypes and tooling
- Better positional accuracy and smoother CNC motion on the X and Y axes
- Fully assembled components ready to install
- Works with high-torque stepper motors for improved performance
- Built-in Driver box (Converts g-code to steps to run DC stepper motors)
- Output cables for X, Y, Z, and A pre-wired with DIN plugs for stepper motors
- Keyboard and mouse (you supply the monitor)
- Processor Speed: 2 GHz or faster
- RAM: 2 GB
- Hard Drive: 500 GB
- Internal drive: DVD-RW
- External drive: 4 GB USB Flash drive for transferring g-code files
- Current: Internal switches are set to 110VAC but can be reset for operation with 230 VAC
- Installed software: Ubuntu 12.04 Linux-based OS with Linux CNC 2.6.11 4-axis CNC software.
- 90-day warranty on CNC and computer-related components.
- Keyboard and mouse (you supply the monitor)
- Processor Speed: 2 GHz or faster
- RAM: 2 GB
- Hard Drive: 500 GB
- Internal drive: DVD-RW
- External drive: 4 GB USB Flash drive for transferring g-code files
- Current: Internal switches are set to 110VAC but can be reset for operation with 230 VAC
- Installed software: Ubuntu 12.04 Linux-based OS with Linux CNC 2.6.11 4-axis CNC software.
- 90-day warranty on CNC and computer-related components.
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From: $1,572.93
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Sherline Precision Jewelers Lathe
The 8″ tabletop lathe is an ideal precision tool for jewelers and gem cutters working on small, detailed components such as rings, settings, mandrels, bezels, bushings, and custom fixtures. It can turn parts up to 3.5″ in diameter over the bed or 1.88″ over the carriage, with 8″ of distance between centers, providing ample capacity for most jewelry and lapidary work without unnecessary machine size.
For jewelry applications, we often recommend the 8″ tabletop lathe over our 17″ model. The additional bed length of the 17″ lathe is rarely needed for typical jeweler or gem-cutting tasks, and its longer layout requires reaching farther to operate the Z-axis handwheel. The compact design of the 8″ lathe keeps both handwheels close to the work area, allowing for greater control, improved ergonomics, and more precise hand-fed cuts during fine finishing operations.
The lathe features an electronic speed control that provides continuously variable spindle speeds from 70 to 2,800 RPM without belt changes, making it easy to dial in the correct speed for delicate materials and small-diameter tools. A secondary pulley position is available when additional low-RPM torque is needed for tougher materials or heavier cuts. Despite its compact footprint, the machine is rigid and stable, delivering the smooth, controlled operation required for jewelry-scale precision.
Typical Jewelry & Gem-Cutting Applications
17″ Ball Screw Benchtop Lathe
17″ Ball Screw Benchtop Lathe is a precision-engineered, CNC-ready 17-inch benchtop lathe built on a rigid aluminum base with ball screw feeds for superior accuracy and repeatability. It’s a modern reimagining of Sherline’s classic 4400 series, featuring beefed-up slides and stepper-motor mounts, and is designed to integrate seamlessly with CNC controllers and stepper motors for advanced machining projects.
2 to 4-week lead time
Please note that our ball screws only come in a metric pitch
Ordering options:
Use the selections in the drop-down menus below to configure your machine. (For more information on the configuration options and accessory packages please see the options tab below)
Price range: $2,548.25 through $2,561.97
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Mill Ball Screw XYZ-Axes Retrofit Kit
The Mill Ball Screw XYZ‑Axes Retrofit Kit is a retrofit upgrade for Sherline milling machines that replaces the standard X and Y axis lead screws with precision ball screws to reduce backlash and improve smooth, accurate motion. It includes rolled ball leadscrews with BSH nuts (10 mm × 2 mm lead, C7 accuracy), high-torque stepper-motor couplings and mounts, and ball screw mill saddles assembled at the factory for easy installation.
Why it matters:
Mill Ball Screw XY Axes Retrofit Kit
The Sherline Mill Ball Screw XY Retrofit Kit is an upgrade for Sherline milling machines that replaces the standard X and Y lead screws with precision ball leadscrews and saddles plus high-torque couplings and mounts to reduce backlash and improve smooth, accurate motion on those axes. The ball screws are 10 mm diameter with a 2 mm lead and assembled with preload and mounts at the factory for easier installation.
4 week lead time
When ordering your new Ball Screw Retrofit Kit, you will need to supply the following information for your current machine so we can ensure you receive the correct length of the ball screw for each axis:
Mill Ball Screw Z-Axis Retrofit Kit
The Mill Ball Screw Z‑Axis Retrofit Kit is an upgrade kit for Sherline milling machines that replaces the standard Z-axis leadscrew with a precision ball screw assembly to reduce backlash and improve smoothness and positional accuracy. It includes a rolled ball screw with BSH nut, stepper-motor coupling and mount, and modified saddle components, and is ready to install with all key parts assembled at the factory.
Why it matters:
• Stronger, smoother Z-axis motion and better CNC performance
• Tight tolerances for increased precision
• Some loss of max travel due to the new saddle design
LinuxCNC Computer System with Driver Box
LinuxCNC Computer System without Driver Box
12″ Tabletop Mill XY Base w/ Ball Screws – CNC-Ready
2 to 4-week lead time
12″ Tabletop Mill XYZ Base w/ Ball Screws – CNC-Ready
2 to 4-week lead time
14″ Benchtop Mill XY Base w/ Ball Screws – CNC-Ready
2 to 4-week lead time
14″ Benchtop Mill XYZ Base w/ Ball Screws – CNC-Ready
2 to 4-week lead time
Split Bed Pool-Cue Lathe
Split Bed Pool-Cue Lathe (Includes headstock and motor, 2.5" chuck, spur driver, tailstock, and live center)
4 week lead time
12″ Linux CNC Tabletop Mill System w/Ball Screws
A complete 12″ CNC mill system with precision ball screws engineered for accuracy, smooth motion, and reliable CNC performance. Built on Sherline’s robust tabletop platform with hardened slides and integrated stepper-motor mounts, it delivers reduced backlash and enhanced control for milling metal, wood, and plastics in both hobbyist and light-professional setups.
2 to 4-week lead time
12″ Deluxe Tabletop Mill w/Ball Screws – CNC-Ready
A precision 12″ CNC-ready milling machine built on Sherline’s Deluxe mill platform with hardened electroless nickel/Teflon-coated slides and precision ball screws to minimize backlash and maximize smooth motion. Designed for seamless integration with stepper motors and CNC controllers, it’s ideal for high-accuracy machining of metal, wood, and plastics in both hobbyist and professional shops.
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2 to 4-week lead time
14″ Linux CNC Benchtop Mill System w/Ball Screws
A complete 14″ CNC mill system with precision ball screws built on Sherline’s rugged 2000-series benchtop platform. Featuring beefed-up saddles, electroless nickel/Teflon-coated slides, integrated stepper-motor mounts, and smooth backlash-reducing ball screws, it delivers accurate motion and reliable performance for metal, wood, and plastics machining in hobbyist and light-professional CNC applications.
2 to 4-week lead time
14″ Benchtop Mill w/Ball Screws – CNC-Ready
A precision 14″ CNC-ready benchtop milling machine built on Sherline’s 2000-series platform with hardened slides and precision ball screws for reduced backlash and smooth, accurate motion. Designed with stepper-motor mounts and beefed-up saddles, it’s ideal for high-accuracy machining of metal, wood, and plastics and seamless integration with CNC controllers.
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2 to 4-week lead time
18″ Linux CNC Benchtop Mill System w/Ball Screws
A complete 18″ Linux CNC-ready benchtop milling system built on Sherline’s NexGen platform with precision ball screws for smoother motion and reduced backlash. Engineered with electroless nickel/Teflon-coated slides and integrated stepper-motor mounts, it delivers accurate, reliable CNC machining for metal, wood, and plastics right out of the box.
2 to 4-week lead time
18″ NexGen Benchtop Mill w/Ball Screws – CNC-Ready
A high-precision 18″ CNC-ready benchtop milling machine built on Sherline’s NexGen platform with beefed-up saddles and precision ball screws for smoother motion and reduced backlash. Designed with stepper-motor mounts and electroless nickel/Teflon-coated slides, it delivers accurate, reliable machining and seamless integration with CNC controllers for metal, wood, and plastics.
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2 to 4-week lead time
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