* Lengths are actually longer to insert into End Block Bearings and mate with Coupler

250mm = 290mm actual
500mm = 540mm actual
1000mm = 1040mm actual
1500mm = 1540mm actual

This precision trapezoidal (metric) lead screws pitch and diameter are a perfect combination of high torque and speed. This screw fits the bill for most machine designs and will quickly become a standard on OpenBuilds.

Equipped with a large diameter that helps eliminate whipping and a high pitch which provides a quick 8mm translation for every single revolution on the screw.

It's a great power transmission choice for your build!
•Tr8*8-2p (4 starts)
•Lead Screw Diameter ∅ 8 (mm)
•Pitch 2 (mm)
•Lead Screw Diameter: 7.8~(mm) Note - These lead screws have been customized to work directly with OpenBuilds system.
•Stainless Steel

An example steps settings for your control software would be 200 steps per millimeter if you are running the common 1.8 degree steppers and your stepper driver is set to 1/8 step mode.

To calculate different step scenarios for your control software have a look at these handy steps calculators

Common setup example