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Bill of materials

This is a copy

The original is BOM/BOM.md in the robot's repository; this page is that file as of 2026-11-03 (commit cc328a5), with the reference images shown inline. If a link is broken or a part is wrong, open an issue there, and the fix lands here with the next sync. If you would rather not source the parts yourself, the shop's kits cover every part or the hard-to-find ones.

Most items have links where you can buy the item, and some of them are affiliate links. Items like screws, belts and bearings can be bought locally or from many other vendors.

Note

If any product links are broken, unavailable, or no longer point to the correct item, please open an issue. You can also use the reference images to find the same or an equivalent part from another supplier.

Screws and Nuts

Diameter / Type Length Quantity Description
M4 10 mm 20 DIN 912 / ISO 4762 (hexagon socket head cap)
M3 8 mm 10 2 mm head height
M3 8 mm 50 DIN 912 / ISO 4762 (hexagon socket head cap)
M3 14 mm 30 DIN 912 / ISO 4762 (hexagon socket head cap)
M3 nut — 10 DIN 934 / ISO 4032 (hexagon nut)
M3 25 mm 10 DIN 912 / ISO 4762 (hexagon socket head cap)
M2 10 mm 10 DIN 912 / ISO 4762 (hexagon socket head cap)
M3 16 mm 10 DIN 912 / ISO 4762 (hexagon socket head cap)
M3 6 mm 10 Pan head phillips
M3 12 mm 30 DIN 912 / ISO 4762 (hexagon socket head cap)
M3 35 mm 10 DIN 912 / ISO 4762 (hexagon socket head cap)
M4 16 mm 30 DIN 912 / ISO 4762 (hexagon socket head cap)
M4 14 mm 10 DIN 912 / ISO 4762 (hexagon socket head cap)
M4 50 mm 10 DIN 912 / ISO 4762 (hexagon socket head cap)
M3 15 mm 2 Tapered screw head

Gearboxes

Note

For cheaper gearbox options you can use MG series planetary gearboxes. They have bigger backlash but are cheaper. Link — Aliexpress Link

Name Type Quantity Description Link ALT link Reference Image
Gearbox 20:1 Nema 17 20:1 2 EG precision planetary Link Alt Link stepper 20_1
Gearbox 10:1 Nema 17 10:1 1 EG precision planetary Link Alt Link stepper 10_1

Motors

Name Type Quantity Description Link ALT link Reference Image
Stepper 1 Nema 17 1 16Ncm, 42x42x20mm Link Alt Link stepper 21_5mm
Stepper 2 Nema 17 3 45Ncm, 42x42x40mm Link Alt Link stepper 40mm
Stepper 3 Nema 17 2 65Ncm, 42x42x60mm Link Alt Link stepper 60mm

Belts

Name Type Quantity Description Link ALT link Reference Image
Joint 1 belt HTD3 396 1 6 mm width Link HTD 3M belt
Joint 3 belt HTD3 342 1 6 mm width Link HTD 3M belt
Joint 4 belt HTD3 201 1 6 mm width Link HTD 3M belt
Joint 5 belt HTD3 246 1 6 mm width Link HTD 3M belt

Pulleys

Name Type Quantity Description Link ALT link Reference Image
J4 pulley, J5 pulley HTD3M 12 tooth 2 5mm bore, 10mm width Link HTD 3M pulley
J1 pulley HTD3M 15 tooth 1 5mm bore, 10mm width Link HTD 3M pulley

Shaft couplers

Name Type Quantity Description Link ALT link Reference Image
Shaft coupler Shaft coupler 3 8 mm hole shaft, M4 screw holes Link shaft coupler gripper

Bearings

Name Type Quantity Description Link ALT link Reference Image
Bearing 1 AXK3552 1 35X52X4, needs to have top and bottom plate Link AXK3552 needle bearing
Bearing 2 NSK HR32906J 5 Joint 5, 4 and 3 Link Tapered bearing
Bearing 3 NSK HR32907J 4 Joint 1 and 2 Link Tapered bearing
Tension bearing Ball bearing 3x8x4 20 Used for belt tension Link small tension bearings
Tension bearing Ball bearing 3x10x4 20 Used for belt tension Link small tension bearings

Electronics

Name Type Quantity Description Link ALT link Reference Image
PAROL control board 1 source-robotics.com Link PAROL6 control board
TMC5160 6 Drivers from the links are tested. Use any other at own risk Link Alt Link TMC5160 driver
Thermal paste / cement 2 Needed only if your control board has no drivers! Link Thermal cement
On/Off button 1 12mm 3-6V Link button
JST PH 2.0mm 200mm 4PIN 1 For power button Link JST_PH
Noctua NF-A4x20 5V 40mm 1 or any 40mm 5V fan Noctua NF-A4x20 fan
Power connector - male + female 1 GX16 2PIN Link GX16
Gripper connector (electric) 1 M8 sensor Female 4 pin Link M8 connector female 4pin
Power supply 1 Any 24V 5A supply Link Alt Link Power supply EDR-120-24
Limit switches 3 Type ZW12-3 Link LIMIT_SWITCH
Inductive sensor 1 1 4mm NPN NO Link Alt Link INDUCTIVE_4MM
Inductive sensor 2 1 GX-F8A Link GX-F8A
Inductive sensor 3 1 M5, NPN NO Link Alt Link INDUCTIVE_5MM
Estop 1 Any NC estop Link 19mm ESTOP
Cable gland for estop 1 PG7 type Link CABLE_GLAND
M3 brass insert 4 M3, 6mm lenght Link brass_insert
Pneumatic connector - robot 4 4 mm type PM Link PM4
Pneumatic Gripper 1 MHZ2-16D Link MHZ
Pneumatic gripper connector 2 PC4 - M5 Link PC4-M5
Pneumatic tube 5 meters 1 meter, 4x2.5mm Link Pneumatic_tube
xt30 connector female 1 Used to deliver power to PAROL6 PCB Link XT30 female connector
Stlink / programming adapter 1 Use our Official programming adapter for ease of use! Pin order needs to be: SWCLK, SWDIO, GND, 3V3, 5V Link PAROL6 programming adapter
USB B cable 1 Comms to the PC USB B cable
5/2 solenoid air valve 1 4mm tube connectors, 5/2, 24V Link solenoid_valve

Vacuum gripper

Name Type Quantity Description Link ALT link Reference Image
Suction cup gripper 1 Link Suction cup gripper
Vacuum generator 1 Link Vacuum generator
4mm to 6mm coupler 1 Link Pneumatic coupler 4 to 6 mm

Small print bed modification

Note

These parts are only needed if your printer bed is too small for J1_turret_rework_blocker and Upper_arm. Both parts are split in two and joined with dowel pins and epoxy after printing. STL files are in STL/SMALL_PRINT_BED. Nothing else in the build changes.

Name Type Quantity Description Link ALT link Reference Image
J1 turret dowel pin Dowel pin 4 x 18 mm 3 Solid cylindrical, stainless or hardened steel Link Dowel pin
Upper arm dowel pin Dowel pin 6 x 22 mm 4 Solid cylindrical, stainless or hardened steel Link Dowel pin
Two part epoxy Epoxy adhesive 1 1:1 mix, slow setting Link

Comments

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