Machined Aluminum Fixed Block for 12mm Ball Screws (Fits 2040 Extrusions)

$60.00

Upgrade your motion system with machined aluminum fixed block designed specifically for 12 mm ball screws. These custom blocks replace the generic units supplied with most kits, providing a perfect, rigid fit to standard 2040 aluminum extrusions.

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These custom CNC-machined aluminum blocks are purpose-built to replace off-the-shelf blocks often included in ball screw assemblies. Designed and milled in-house at ncKraft, each block ensures a perfect fit for 12 mm ball screws while maintaining exact alignment with standard 2040 aluminum extrusions—ideal for linear motion assemblies, automation frames, and custom CNC builds.

Key Features:

  • Machined to exact dimensions for 12 mm ball screw support and bearing alignment.

  • Direct bolt pattern compatibility for easy installation.

  • Solid aluminum construction minimizes flex and vibration under load.

  • Ideal for CNC machines, 3D printers, automation stages, and prototype assemblies.

Included:

  • 2Ă— machined aluminum end blocks (left + right)

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