Stepper Motor
Sherline stepper motors feature shafts at both ends, allowing for manual control via a handwheel, if desired. Flats are ground onto each shaft to accommodate set screws for the handwheel and coupling. For use with a Sherline motor mount, ensure that the shaft entering the coupling has a flat machined or ground onto it where the set screw secures it. Failure to do so may damage the shaft, making the coupling difficult to remove. For non-Sherline applications, the flat may not be necessary.
Powerful Dual-Shaft Motors
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P/N 67127: This motor comes pre-wired with six leads in a connector that plugs directly into Sherline’s linear or rotary controllers. Both our CNC system and driver box include four pre-wired cables with 5-pin plugs that match the P/N 67127 stepper motor. Simply plug each stepper motor into the corresponding axis cable for an easy setup.
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P/N 67130: This motor features six raw wire leads, and does not include a connector, so that it can be used with non-Sherline controllers that have a different pin configuration.
Note: Due to the lack of standardization in the industry, wire colors can vary between suppliers. If using a connector not supplied by Sherline we recommend using a continuity checker to identify which wire connects to each pin on the DIN plug. Typically, the black and white (or tan) wires are connected to the center pins, but other colors may vary. See our specifications sheet for wiring diagram.
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Frame size | NEMA #23 |
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Shaft | 1/4″ diameter, dual shafts |
Holding Torque | .775 N.m (Newton meters) 7.9 kg-cm 109.71 oz/in (ounce inch) 6.856 in/lb (inch pound) |
Maximum RPM | 530 RPM |
Voltage | 3.2 V DC |
Current | 2 A |
Step Angle | 1.8° (200 steps/rev) |
Video instructions on how to remove and install Sherline CNC Stepper Motors
Removing Stepper Motors
Installing Stepper Motors
Aligning the Stepper Motor to the Ball Screw
Related products


14″ CNC-Ready Mill
The 8-Direction CNC-Ready Milling Machine is one of the most versatile mills Sherline offers. In addition to standard X-, Y-, and Z-axis movement, this model provides five additional directions of headstock adjustment—allowing you to position the spindle for drilling or milling operations from nearly any angle.
- The headstock pivots up to 90° left or right.
- The column bed also rotates side to side up to 90°, enabling angled drilling.
- A specialized knuckle joint allows the column to tilt front to back.
- The ram-style column base can swing side to side up to 90°, offering even greater flexibility.
- Loosening the column cap lets the ram move in and out, providing over 5.5″ of additional travel.
With this wide range of movement, the machining possibilities are nearly limitless within the compact work envelope of the machine. The 14″ base also increases Y-axis travel by 2″ compared to the Model 5400 mill, making it a powerful tool for advanced miniature machining applications.
The 8-Direction benchtop mill is ideal for users who need a small, precision milling machine capable of high-accuracy work. Like all Sherline mills, it is made in the USA and supported by unmatched customer service. Despite its compact size, this 14″ benchtop mill is engineered to handle wood, plastic, aluminum, and even steel—delivering full-size machine precision in a desktop footprint.
CNC-ready mills come with factory-installed stepper motor mounts in place of handwheels and are ready for you to add your own stepper motors and CNC controls. Please note: these are not turn-key systems and cannot be operated until motors and controls are installed. CNC-ready machines do not include stepper motors, a computer, or CNC software.
Sherline recommends dual-shaft stepper motors so manual control is still possible using the included handwheels, which mount to the rear shaft once the motors are installed. Sherline also offers high-quality stepper motors and CNC components to complete your system.
Additionally, you can explore various aftermarket suppliers for compatible motors, drivers, and software. Visit our CNC Dealers page for a list of suppliers and links to their websites.
Note on Ordering a Metric Mill – Most Sherline cutting tool, such as center drills, are offered in fractional sizes. If you opt for a metric machine with metric collets or holders, you’ll need to order compatible fractional-size holders to use these tools effectively.
Standard Equipment for the 14″ 8-Direction Tabletop Mill
- A powerful 90V DC motor with electronic speed controller
- 14″ base with laser-engraved scales
- Brass leadscrew cover that keeps chips off the rear of the Y-axis leadscrew
- 2.75″ (70 mm) x 13.0″ (330 mm) table with laser-engraved scales and two T-slots
- 2" column riser block
- Resettable, zero-adjustable handwheels that can be mounted to the end of the stepper motors to maintain manual control when needed:
- (2) 2″ (51 mm) handwheels on X- and Y-axes
- (1) 2-1/2″ (63 mm) handwheel on Z-axis
- All with laser-engraved aluminum collars
- NOTE: CNC-ready machines cannot be operated manually unless double-shaft stepper motors are installed.
- ¼” Drill Chuck w/ key, #1 Morse arbor with drawbolt
- Pulleys, drive belt, three hexagonal keys, spindle bars, gib removal tool, eight-foot three-wire power cord, and instruction manual
- Oil reservoirs on the X/Y axes and the Z axis help keep critical parts lubricated. These were initially developed for CNC machines that run constantly for hours on end but can benefit manual machines as well


12″ Deluxe CNC Tabletop Mill System Package A



