Is 12 Nm enough for my CNC router?

It is plenty for most hobby and mid-size routers driving lead screws or ball screws on a heavy gantry. Direct-drive belt axes with high rapids may want less torque and more speed instead.

What power supply does the DM860H need?

The DM860H is a bipolar microstepping driver built for roughly 24 to 80 VDC. Match the supply to your motor's rated current and keep voltage within the driver's range; a supply sized above the 6.2A continuous figure leaves margin.

Can I run this motor with a smaller driver?

Only if the driver is rated for the motor's current and voltage. A 12 Nm Nema 34 draws more than typical 3D printer drivers handle, so the DM860H-class driver is the right match.

Does microstepping increase torque?

No. Microstepping smooths motion and improves positioning resolution, but holding torque stays at the motor's rating. Real torque at speed depends on supply voltage and motor inductance.

The Nema 34 stepper motor and the DM860H driver. Controller, power supply, cables and mounting hardware are not included.

Will it fit my existing mount?

The motor has an 86 x 86 mm face and a 14 mm shaft, the standard Nema 34 pattern. Check your mount's bolt spacing and your pulley or coupling bore before ordering.

Nema 34 Stepper Motor Driver Kit 12Nm Torque

Best price now

$422.95at VXB.com BearingsChecked Nov 3

Prices are checked against each store and labelled with when.

Visit VXB.com Bearings

Nema 34 Stepper Motor Driver Kit 12Nm Torque

Best price now

$422.95at VXB.com BearingsChecked Nov 3

Prices are checked against each store and labelled with when.

Visit VXB.com Bearings

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $422.95 at VXB.com Bearings on Nov 3.

Our take on the Nema 34 Stepper Motor Driver Kit 12Nm Torque

This is a matched pair: a Nema 34 frame stepper motor rated at 12 Nm holding torque, plus a DM860H microstepping driver that delivers up to 6.2A continuous. The motor is a 86 x 86 x 156 mm body with a 14 mm shaft, sized for heavy axes on CNC routers, plasma tables, large engravers and big-format 3D machines. The DM860H is the common workhorse driver for this frame size, so the kit competes on convenience rather than novelty: you get a driver already matched to the motor's current instead of sourcing the two separately. Buyers of this class of kit care most about torque at speed, driver heat and wiring clarity.

Best forCNC router and plasma builders sizing heavy axesRetrofitting a large mill or lathe with bigger motorsLarge-format 3D printers and engravers needing high torqueMakers who want a motor and matched driver in one purchase

Pros

12 Nm holding torque suits heavy gantries and lead-screw axes
DM860H delivers up to 6.2A continuous, enough headroom for this motor
Microstepping improves resolution and smoothness on slow, loaded moves
Standard 86 x 86 mm face and 14 mm shaft fit common Nema 34 mounts and pulleys
Motor and driver are already current-matched, cutting setup guesswork

Cons

Nema 34 motors and DM860H drivers run hot and usually need forced airflow
Big frame motors are heavy and add mass to a moving gantry
No controller, power supply or wiring kit included
Microstepping raises resolution but not real torque; heavy loads still need headroom
Large inductance on high-torque Nema 34 motors limits top speed

Nema 34 Stepper Motor Driver Kit 12Nm Torque prices at every store

VXB.com BearingsNew
Availability unknown
$422.95Checked Nov 3
Visit VXB.com Bearings

Nema 34 Stepper Motor Driver Kit 12Nm Torque price history

Lowest price we've seen: $422.95 on Nov 3 at VXB.com Bearings. Tracked across 1 store since Nov 3.

From VXB.com Bearings

High torque stepper driver kit for CNC machines and 3D apps
DM860H controller drives Nema 34 motors with 6.2A continuous current
Smooth silent operation keeps workspace clean and quiet during work
Measures 86 by 86 by 156 mm with 14mm shaft diameter for mounting
Micro stepping function guarantees precise positioning accuracy
Micro stepping gives better resolution on axes and higher efficiency

Returns: Free, easy and hassle-free returns on every order
Shipping: Orders currently take 5-10 business days to process before shipping
In the box: Nema 34 stepper motor, DM860H driver

About the Nema 34 Stepper Motor Driver Kit 12Nm Torque

This kit pairs a Nema 34 stepper motor with a DM860H driver. It is meant for CNC machines, 3D printers and engravers.

The DM860H driver controls the motor with a 6.2A continuous current. Its microstepping function gives precise positioning and better resolution on the axes. Operation is smooth and quiet.

Motor: Nema 34 stepper motor
Driver: DM860H
Continuous current: 6.2A
Dimensions: 86 x 86 x 156 mm
Shaft diameter: 14 mm
Applications: CNC machines, 3D printers, engravers
In the box: Nema 34 stepper motor, DM860H driver

Questions and answers

Is 12 Nm enough for my CNC router?: It is plenty for most hobby and mid-size routers driving lead screws or ball screws on a heavy gantry. Direct-drive belt axes with high rapids may want less torque and more speed instead.
What power supply does the DM860H need?: The DM860H is a bipolar microstepping driver built for roughly 24 to 80 VDC. Match the supply to your motor's rated current and keep voltage within the driver's range; a supply sized above the 6.2A continuous figure leaves margin.
Can I run this motor with a smaller driver?: Only if the driver is rated for the motor's current and voltage. A 12 Nm Nema 34 draws more than typical 3D printer drivers handle, so the DM860H-class driver is the right match.
Does microstepping increase torque?: No. Microstepping smooths motion and improves positioning resolution, but holding torque stays at the motor's rating. Real torque at speed depends on supply voltage and motor inductance.
What is in the box?: The Nema 34 stepper motor and the DM860H driver. Controller, power supply, cables and mounting hardware are not included.
Will it fit my existing mount?: The motor has an 86 x 86 mm face and a 14 mm shaft, the standard Nema 34 pattern. Check your mount's bolt spacing and your pulley or coupling bore before ordering.
Where is the Nema 34 Stepper Motor Driver Kit 12Nm Torque cheapest?: At VXB.com Bearings, for $422.95, as of our latest check.