Across
- 1. A screw without the pointy end that holds stuff together
- 4. Keep things from rubbing against other things
- 7. These come in two sizes and are used to secure bolts and set screws
- 8. Locks parts in place have no set screw
- 9. A part that prevents friction and lets another part spin
Down
- 2. Has a set screw
- 3. drive the action of the robots and mechanisms
- 5. Long bars needed for gears, wheels, everything
- 6. Have a toothed washer to hold them in place