Default Motor Head, use Default (v1.1 ring)
Alternate Head, use Alternate
v1.1 ring - can use 4x M5x35 Socket Cap Head Bolt (Default that are included with R+D OSSM parts kit)
Other rings - use 4x M5x40 Socket Cap Head Bolt
4x M5 Nuts
Default Motor Head, use Default
Alternate Head, use Alternate
4x M5x40 Socket Cap Head Bolt
4x M5 Nuts
SpockAroundTheClock's Compact Motor Head, use SATC
just_b's Universal Motor Head, use Centered
1x M5x50 Socket Cap Head Bolt
1x M5 Nut
4x M3x16 Socket Cap Head Bolt
2x M4x25 Socket Cap Head Bolt
1x M4x12 or M4x10 Socket Cap Head Bolt
3x M4 Nut
Rear Hinge:
1x M6x20 Socket Cap Head Bolt
1x M6 Nut
Attaching Base to Extrusion:
2x M6x20 (M6x15 for 3030 Extrusion) Socket Cap Head Bolt
2x M6 T-Nut
Rear Hinge:
1x M6x20 Socket Cap Head Bolt
1x M6 Nut
Front Hinge:
1x M6x20 Socket Cap Head Bolt
1x M6 Nut
For attaching Base to Extrusion:
2x M6x20 (M6x15 for 3030 Extrusion) Socket Cap Head Bolt
2x M6 T-Nut