Modular Building System

These high-performance ball bearings are the key component in our full-size wheel kits, designed to excel in demanding applications. Their precision and durability also make them a great choice for a wide variety of other mechanical uses. Features: Deep...

The 90 Degree Joining Plate provides a reliable solution for creating strong, perpendicular connections between V-Slot and C-Beam Linear Rails. Designed for optimal structural reinforcement, this plate ensures that your builds maintain alignment and...

C-Beam® Linear Rail C-Beam Linear Rail aluminum extrusion profile is the ultimate solution combining both linear motion and a modular, structural framing system. It's lightweight yet rigid and provides an ultra...

Enhance the look and functionality of your V-Slot and C-Beam Linear Rails. This cap neatly covers the bare end of the rail, providing a polished and professional finish to your Build. Each end cap features a center holes designed for mounting with...

In belt-driven linear motion systems, precise belt alignment and tension are crucial for optimal performance. The Smooth Idler Pulley Kit addresses this need by guiding timing belts accurately, making it indispensable for custom builds like CNC machines,...

Designed for smooth and precise linear motion and light load applications. Made from Delrin, a high-performance plastic known for its low friction and high wear resistance, these wheels ensure durability and reliable performance. Their compact size makes...

The OpenBuilds 8mm Metric Lead Screw is a precision-engineered component designed to convert rotational motion into linear movement efficiently. With a 2mm pitch and four-start thread, each full rotation advances the attached nut by 8mm, ensuring rapid...

Our Mini Ball Bearing 105zz 5x10x4 is a reliable component designed for various applications, including CNC machines, 3D printers, and automation systems. Made from durable chrome steel, it ensures smooth and efficient motion in compact mechanical setups...

Achieve smooth and precise linear motion with our Nut Block, designed specifically for lead screw-driven systems. Featuring recessed screw holes for a clean, flush installation, this Nut Block enhances performance in CNC, automation, and other...

Designed to handle increased loads and forces. Their compact size allows them to fit inside the C-Beam Linear Rail channel and other tight spaces. They offer minimal compression, making them ideal for applications requiring precise movement and accuracy...

Enhance the precision of your linear motion projects with our Anti-Backlash Nut Block, designed especially for OpenBuilds custom 8mm Metric Lead Screws. This component ensures high accuracy and repeatability by eliminating play or slop in your build...

V-Slot® Linear Rail V-Slot Linear Rail aluminum extrusion profile is the ultimate solution combining both linear motion and a modular, structural framing system. It's lightweight yet rigid and provides an ultra...