Heavy Duty Nema 34 Linear Screw Stepper Motor for CNC
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$924.95at VXB.com BearingsChecked Nov 3
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This is a single NEMA 34 frame linear stepper motor with a built-in M5 lead screw that converts rotary motion into axial travel. It delivers 8 N·m of holding torque and draws 6 A continuous, pairing with standard bipolar drivers. The cast iron housing protects the internals from cutting fluid and chips. It suits CNC routers and light mills that need direct linear actuation without belts or separate screw assemblies. Compared with belt-driven or rack-and-pinion setups, it removes belt stretch and backlash but is limited to relatively short strokes and lower speed.
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Lowest price we've seen: $924.95 on Nov 3 at VXB.com Bearings. Tracked across 1 store since Nov 3.
This is a NEMA 34 linear screw stepper motor for CNC routing tables and light-duty milling rigs. A built-in threaded lead screw turns rotary motion into axial travel. The design keeps alignment simple and avoids the belt stretch that can cause overshoot on fast returns.
The motor has a holding torque of 8 N·m and a continuous current rating of 6 A. It pairs with standard bipolar drivers. Sealed cartridge bearings carry radial forces and keep friction low for smoother startup torque. The bracket layout makes it a swap option for heavier rack and pinion frames.
The cast iron housing protects the internal gears from cutting fluid and metal chips. The screw drive removes mechanical play, and microstep interpolation works with modern controller cards for positional accuracy.