These 8mm miniature bearings are made of high quality bearing steel for low noise and long service life. They are double shielded to avoid contaminants entering and save lubricant. Used with 8mm ACME rod and the 8mm smooth rod. 

This cast aluminium component establishes perpendicular right-angle connections between modular aluminium framing assemblies. Featuring integrated structural alignment tabs, the bracket locks into profile tracking channels to ensure a square interface and prevent rotation under mechanical torque. Typical applications include constructing frame corners, mechanical braces, and structural reinforcements for linear motion gantries, 3D printer enclosures, CNC machine bases, and automated machinery structures.

Compatible With

this precision trapezoidal (metric) lead screws pitch and diameter are a perfect combination of high torque and speed. 8mm Metric Lead Screw / ACME is the standard for the OpenBuilds' style CNC Machines.

this precision trapezoidal (metric) lead screws pitch and diameter are a perfect combination of high torque and speed. 8mm Metric Lead Screw / ACME is the standard for the OpenBuilds' style CNC Machines.

The 8mm Acme Anti-Backlash Nut Block is a great choice for many projects requiring lead screw linear motion.

The pitch and diameter are a perfect combination of high torque and speed. This screw is suitable for most machine designs and has quickly become a standard for builders and makers.

Locking Collars are used to hold bearings in place in our linear motion systems.

This high-quality aluminium flexible 6.35mm x 8mm coupling can be used to connect your NEMA23 stepper motor to your lead screw.  The flexibility will help with any misalignment.

Chrome Steel Lock Nuts provide strength, a Nylon insert prevents the Nut from loosening over time or with vibration.

For your convenience these are sold individually, so add as many as you need.

These M-series threaded tee nuts serve as fastening components for structural frame assemblies that utilize V-slot or T-slot aluminium extrusions with a minimum channel slot width of 10mm. Designed with an angled corner geometry, the hardware inserts directly into the extrusion channels to reduce friction and catching during manual installation compared to standard rectangular nuts, enabling precise adjustment before final tightening. The smooth-transition edge profile permits the hardware to slide freely along internal linear rail channels, making these components suitable for the assembly, reinforcement, and modification of modular framing networks. Typical applications for these fasteners include mounting brackets, structural plates, and hardware components onto linear rails within equipment such as 3D printers, CNC routers, laser engravers, robotics enclosures, and custom industrial workstations.

Compatible With

Compatible With

Compatible With

These aluminum mounting plates function as an external fastening method to connect two or more linear rails or secure framework joints in structural assemblies. Designed with an M5 hole configuration on a 20mm spacing, they facilitate the creation of perpendicular joints and the end-to-end extension of linear rail structures using 10mm low-profile screws. The plates integrate with standard V-Slot series and 2020 aluminum extrusion profiles, providing positioning flexibility across mechanical frameworks. Typical applications include the construction of automated pick-and-place systems, 3D printers, custom CNC machinery, and general mechanical assemblies.

Compatible With

This 3mm thick mechanical plate serves as a structural mounting platform to support heated beds within modular linear motion systems. It provides a flat reference surface to optimize tracking accuracy across automated assemblies without adding unnecessary bulk. Typical applications include integrating heated manufacturing platforms inside custom 3D printers, CNC machinery, laser engravers, and linear motion gantries. The plate's layout also offers direct compatibility with standard motion wheel assemblies to facilitate linear movement along V-Slot rails, OpenRail tracking channels, and MakerSlide systems.

Compatible With

The C-Beam End Mount Plates are high quality aluminum plates with multiple taps and recessing to ensure easy assembly of the C-Beam Linear Actuator.

Designed for use with the C-Beam shaped linear rail using our Mini V-Wheels.

This plate was designed to be used with the Maker Store Actuator and it can be used on all sizes of V-Slot extrusions.

This plate is compatible with a variety of mounting options - including the Acme Nut Block and Lead Screw.

This metric fastener features a reduced head height of 1.5mm or less, allowing it to sit nearly flush against surfaces to prevent interference with moving parts in tight clearances. Its primary function is to secure mechanical components together without obstructing adjacent motion paths. It is designed for precise mechanical builds and structural assemblies with limited overhead space, such as securing brackets, plates, and V-slot wheels in 3D printers and CNC machines to avoid gantry or belt collisions. Additionally, it integrates into aluminium extrusion T-slot profiles and compact electronic devices to maintain space efficiency.

This metric fastener features a reduced head height of 1.5mm or less, allowing it to sit nearly flush against surfaces to prevent interference with moving parts in tight clearances. Its primary function is to secure mechanical components together without obstructing adjacent motion paths. It is designed for precise mechanical builds and structural assemblies with limited overhead space, such as securing brackets, plates, and V-slot wheels in 3D printers and CNC machines to avoid gantry or belt collisions. Additionally, it integrates into aluminium extrusion T-slot profiles and compact electronic devices to maintain space efficiency.

This metric fastener features a reduced head height of 1.5mm or less, allowing it to sit nearly flush against surfaces to prevent interference with moving parts in tight clearances. Its primary function is to secure mechanical components together without obstructing adjacent motion paths. It is designed for precise mechanical builds and structural assemblies with limited overhead space, such as securing brackets, plates, and V-slot wheels in 3D printers and CNC machines to avoid gantry or belt collisions. Additionally, it integrates into aluminium extrusion T-slot profiles and compact electronic devices to maintain space efficiency.

This metric fastener features a reduced head height of 1.5mm or less, allowing it to sit nearly flush against surfaces to prevent interference with moving parts in tight clearances. Its primary function is to secure mechanical components together without obstructing adjacent motion paths. It is designed for precise mechanical builds and structural assemblies with limited overhead space, such as securing brackets, plates, and V-slot wheels in 3D printers and CNC machines to avoid gantry or belt collisions. Additionally, it integrates into aluminium extrusion T-slot profiles and compact electronic devices to maintain space efficiency.

This metric fastener features a reduced head height of 1.5mm or less, allowing it to sit nearly flush against surfaces to prevent interference with moving parts in tight clearances. Its primary function is to secure mechanical components together without obstructing adjacent motion paths. It is designed for precise mechanical builds and structural assemblies with limited overhead space, such as securing brackets, plates, and V-slot wheels in 3D printers and CNC machines to avoid gantry or belt collisions. Additionally, it integrates into aluminium extrusion T-slot profiles and compact electronic devices to maintain space efficiency.

This metric fastener features a reduced head height of 1.5mm or less, allowing it to sit nearly flush against surfaces to prevent interference with moving parts in tight clearances. Its primary function is to secure mechanical components together without obstructing adjacent motion paths. It is designed for precise mechanical builds and structural assemblies with limited overhead space, such as securing brackets, plates, and V-slot wheels in 3D printers and CNC machines to avoid gantry or belt collisions. Additionally, it integrates into aluminium extrusion T-slot profiles and compact electronic devices to maintain space efficiency.

This metric fastener features a reduced head height of 1.5mm or less, allowing it to sit nearly flush against surfaces to prevent interference with moving parts in tight clearances. Its primary function is to secure mechanical components together without obstructing adjacent motion paths. It is designed for precise mechanical builds and structural assemblies with limited overhead space, such as securing brackets, plates, and V-slot wheels in 3D printers and CNC machines to avoid gantry or belt collisions. Additionally, it integrates into aluminium extrusion T-slot profiles and compact electronic devices to maintain space efficiency.

This metric fastener features a reduced head height of 1.5mm or less, allowing it to sit nearly flush against surfaces to prevent interference with moving parts in tight clearances. Its primary function is to secure mechanical components together without obstructing adjacent motion paths. It is designed for precise mechanical builds and structural assemblies with limited overhead space, such as securing brackets, plates, and V-slot wheels in 3D printers and CNC machines to avoid gantry or belt collisions. Additionally, it integrates into aluminium extrusion T-slot profiles and compact electronic devices to maintain space efficiency.

Eccentric Spacers 6mm are the perfect solution for adjusting your V Wheels onto V-Slot.

The Eccentrics give an aprox 0.79mm adjustment range allow for a very strong and secure connection between the V rail and the wheel.

10mm flange allows for a sturdy base for a stable wheel mount

These shims are great for using on our ACME Lead Screws. Team them up with our 688Z or F8-16M bearing and an 8mm Lock Collar.

As shown in the pictures, this washer can be used to bridge the slot on V-Slot or compatible extrusion to allow for the mounting of various components.

These high-precision metric aluminum spacers are engineered for mechanical assemblies requiring consistent axial clearance and rigid structural support. Primarily utilized in CNC machinery, 3D printers, and robotic gantry systems, these spacers provide the necessary offset for our V-slot linear rails, motor mounts, and PCB standoffs.

These high-precision metric aluminum spacers are engineered for mechanical assemblies requiring consistent axial clearance and rigid structural support. Primarily utilized in CNC machinery, 3D printers, and robotic gantry systems, these spacers provide the necessary offset for our V-slot linear rails, motor mounts, and PCB standoffs.

These high-precision metric aluminum spacers are engineered for mechanical assemblies requiring consistent axial clearance and rigid structural support. Primarily utilized in CNC machinery, 3D printers, and robotic gantry systems, these spacers provide the necessary offset for our V-slot linear rails, motor mounts, and PCB standoffs.

This component is a precision-milled polycarbonate rolling element designed for linear motion applications within V-slot linear guide systems. It functions as a load-bearing wheel that resists physical compression under mechanical loads to maintain structural tracking precision. Typical applications include CNC routers, milling machines, 3D printers, and automated linear guide assemblies where the distribution of structural forces across a gantry plate is required to maintain alignment during linear travel.

This solid clear polycarbonate roller assembly mounts onto gantry carriage plates, rolling along structural extrusion channels to establish a low-friction tracking interface. The un-recessed, self-assembled configuration resists material compression under load, allowing multiple components to distribute mechanical forces evenly to maintain axis tolerances. Engineered for positioning stages subjected to dynamic forces and high load cycles, the assembly utilises high Rockwell hardness and compressive strength to prevent alignment drift without introducing play. Typical applications include the construction of modular CNC routers, milling machines, automated machinery platforms, and industrial actuator setups incorporating belt-and-pinion or timing belt drives.

This double-width, 90-degree silver aluminium fastener joins two segments of 20mm T-slot or V-slot aluminium extrusion profiles via standard M5 T-nuts and screws. Featuring two mounting slots per face, the 6061 aluminium alloy component establishes a right-angle mechanical connection with higher resistance to twisting than single-slot variants while minimising assembly weight. Typical applications include reinforcing corner joints, linear rail setups, and gantry assemblies in 3D printers and CNC machines, as well as securing frameworks for industrial workstations, enclosures, and machinery furniture.

Compatible With

This solid aluminium component functions as a right-angle structural connector or an adjustable wheel block for 20mm V-Slot rails and standard 2020 profiles. It establishes perpendicular joints using low-profile fastening routes, eliminating the need for secondary brackets. Typical applications include constructing rigid frame joints, structural reinforcements, and gantry wheel blocks within 3D printer frames, CNC machinery, motion tracking setups, and automation enclosures. The block also serves as a direct mounting interface for attaching peripheral devices to the framework.

Compatible With

This black anodised aluminium end cap functions as a protective finishing plate to conceal raw cut ends and prevent debris ingress within 2020 V-Slot aluminium extrusion profiles. Featuring a stackable layout, it adapts across multiple extrusion combinations to provide a uniform, flush finish that maintains an unobstructed profile for adjacent moving components or machinery enclosures. Typical applications include serving as enclosure points on modular industrial machinery, custom workstations, automated test jigs, and desktop 3D printer structures. The component seals internal channels against contamination while ensuring visual consistency across automated equipment frames.

Compatible With

This post-insertion drop-in nut secures structural elements and auxiliary hardware anywhere along the channel of V-Slot or compatible aluminium extrusion profiles. It is placed directly into the open track at any assembly stage without requiring insertion from the rail ends, rotating to engage the underside of the channel when the mating screw is tightened. Typical applications include mounting brackets, sensors, and secondary plates to existing frames within 3D printers, CNC machines, and custom robotics structures. The nut locks into position and penetrates the anodised coating to establish a slip-resistant connection without requiring frame disassembly.

Compatible With