**Button Head Cap Screw (BHCS)** - These screws have a hex head and require an allen wrench
**Socket Head Cap Screw (SHCS)** - These screws have a hex head that require an allen wrench |
| **DIN 433 M3 Washer** - Thin precise washers that are used as spacers between idler pulleys |
| **Smooth idler pulley** - The smooth side of the backside of a timing belt moves on a smooth idler pulley | <imgsrc="pictures/hardware_smooth_idler.PNG"width="300"/> |
| **Teethed Idler pulley** - The toothed side of a timing belt moves on a teethed idler pulley | <imgsrc="pictures/hardware_teethed_idler.PNG"width="300"/> |
| **Teethed Idler pulley** - The toothed side of a timing belt moves on a teethed idler pulley |
| **Drive pulley** - Sits on a motor shaft and is always teethed. Comes with two set screws that need a ##1.5 allen wrench | <imgsrc="pictures/hardware_drive_pulley.PNG"width="300"/> |
| **Heatset insert** - Brass insert with ridges on the outside and a female thread on the inside. They are pressed into printed parts using a soldering iron | <imgsrc="pictures/"width="300"/> |
| **Set screw** - Headless screws with external threads and a hex key on one side. Found on drive pulleys and in the L brackets to join two aluminium profiles | LINK |