Hardware Reference
Button Head Cap Bolt (BHCS)

Metric fastener with a dome-shaped head and hex drive. Most commonly found in locations where a fastener makes direct contact with a printed part.
ISO 7380-1
Flat Head Countersunk Bolt (FHCS)

Metric fastener with a flat head and hex drive, designed to sit flush inside a countersunk hole. Most commonly found in locations where a fastener makes direct contact with a printed part.
ISO 10642
Socket Head Cap Bolt (SHCS)

Metric fastener with a cylindrical shaped head and hex drive. Most commonly found in locations where a fastener makes contact directly with either a metal part or in conjunction with a washer.
ISO 4762
Nyloc Hex Nuts

Hex nuts couple with bolts to create a tight, secure joint. Nyloc nuts go one step further and cuddle your bolts like your mum used to when you were a child.
ISO 10642
Fan Screw CS-1

A PC standard fan mounting screw. Exclusively used to hold the system cooling fans to the bottom panel.
Heat-set Insert

Used to provide durable threads into plastic parts. To install, press the insert with a heated soldering tip until the heat-set insert is flush with the surface. As the plastic cools, it solidifies around the knurls and ridges on the insert for excellent resistance to torque and pull-out.
F608ZZ Bearing

A ball bearing with a flange is used to hold lead screws in place.
608ZZ Bearing

A ball bearing is used to hold lead screws in place.
Locking Collar

Steel or aluminium loops with a grub screw in the side are used to limit the free travel of a lead screw.
Self-tapping Screw

Fastener with a pronounced thread profile that is bolted directly into the plastic.
Washer

Usually stamped from sheet metal, this spacer distributes the load over a larger area. Only used in M5 size.
Set-screw

Small, headless fastener with an internal drive. Used in pulleys and other gears. Also commonly known as a grub-screw.
ISO 4026
Spring T-nut

A nut that can be inserted into the slot of an aluminium profile. Used in both M3 and M5 variants throughout this guide.
20-Tooth GT2 Pulley

Attached to the Z-Axis motor.
40-Tooth GT2 Pulley

Used to drive the Z-Axis lead screw from the 20-tooth pulley above.
Brass Lead-screw Nut

Used to translate the rotational motion of a lead screw into linear motion of an axis.