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8mm Metric Acme Lead Screw

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25 - LP

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Product Description

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 transmition choice for your build!

  • Tr8*8-2p (4 starts)
  • Lead Screw Diameter ∅ 8 (mm)
  • Pitch 2 (mm)
  • Lead 8 (mm)
  • 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 calulate different step scenarios for your control software have a look at these handy steps calculators 

Common setup example


 NOTE: Because this lead has 4 starts with 2mm pitch between each this means the pitch will be 8. So 8 is what you would use for the pitch setting in the steps calculators..

Also be sure to ask on OpenBuilds if you have any questions.


Lead Screw Lengths

Actual lengths have been extended to allow for different connection points.

  • 290mm
  • 540mm
  • 1040mm



Use with the V-Slot Nut Plate and Nut Block 

Also related parts: 8mm Lock Collar and 8mm Shim 

Lead Screw example build models Example 1 - Example 2

Please note: Other part models in various formats can be found in the Resources/Parts section of OpenBuilds.com


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