Item :Precision CNC Linear Slider With Stepper Motor Slide Stroke. Motor: 1.8NM 57 stepper motor. 1 x Ball screw slide(with a stepper motor). The ball screw consists of a screw, a nut and a ball. Convert rotary motion into linear motion with little frictional resistance.
eBay
Pulse: 600. Toys and doll. Lead：Rotate one circle by 4mm. Material: Screw - Steel, Other - Aluminum. Effective Travel：250/220/270/250mm. Position sensors：3 Hall sensors. Travel: 260MM. We will reply you ASAP.
eBay
With it, it can support and guide the moving parts and make them move in a reciprocating straight line in a given direction. Its repeatability is up to ± 0.05mm/ 0.002in, allowing you to enjoy a higher standard and professional user experience!
eBay
Pulse: 600. Lead：Rotate one circle by 4mm. Material: Screw - Steel, Other - Aluminum. Effective Travel：250/220/270/250mm. Position sensors：3 Hall sensors. Travel: 260MM. We will reply you ASAP.
eBay
Precision linear actuator from PBC Linear. Over 500mm of travel. Lightly used, in excellent condition.
eBay
Up for sale: Vexta driven Teflon coated Leadscrews with anti-backlash nut. I'm not sure who the manufacturer is though. Could be Kerk. I'm sorry but I don't know the pitch of these actuators. The Vexta stepper motor integrated with the leadscrew also has an encoder.
eBay
1 x ball screw slide with a 57 stepper motor (the length of valid stroke depends on your choose). Suit Motor : 1.8NM 57 stepper motor. The ball screw consists of a screw, nut and ball. Slide Stroke:100-1000mm(Optional).
eBay
This slider contains 28 linear motors by default. 1 x Mini Linear Slide Module 50mm or 100mm (Travel length)". Screw Pitch:1MM. Stroke: 50MM/100MM. Screw precision: 0.1mm. Step angle: 1.8 degrees. Net Weight：50mm:0.25KG; 100mm:0.4KG.
eBay