Reely Steel Gear Rack Module 0.5 Length 250 mm (L x W x H) 250 x 4 x 4 mm (ZAST S M0,5 250)

Precision linear motion starts with a gear rack that holds tolerances. This Reely steel rack features a 0.5 module tooth profile, delivering a circular pitch of approximately 1.57 mm across its 250 mm length. The 4 x 4 mm cross-section keeps it compact for tight builds, while the straight-tooth design ensures smooth engagement with matching pinions.

Overview

The Reely ZAST S M0,5 250 is a steel gear rack engineered for linear motion systems, robotics, RC models, and automation. Its 0.5 module is a common standard, making it compatible with a wide range of pinions. The natural steel finish provides durability and corrosion resistance for demanding applications.

What stands out

• Module 0.5 for precise, repeatable linear movement
• Solid steel construction for long service life
• Straight tooth profile for efficient power transmission
• Compact 4 x 4 mm profile fits space-constrained designs
• Versatile mounting options: adhesive, clamping, or custom drilling

Technical details

• Product Type: Gear Rack
• Material: Steel
• Gear Module: 0.5
• Overall Length: 250 mm
• Overall Width: 4 mm
• Overall Height: 4 mm
• Tooth Profile: Straight
• Circular Pitch: approx. 1.57 mm
• Number of Teeth (approx.): 159
• Application: Linear motion systems, Robotics, RC models, Automation
• Compatibility: Designed for use with Module 0.5 pinions
• Color/Finish: Natural Steel / Metallic

Our verdict

A dependable steel rack for precision linear drives. Its standard module and robust build make it a solid choice for hobbyists and engineers alike.