We’ve seen automated food dispensers for pets, but none that go so far as to build large plastic screws for dispensing kibble. This isn’t [Mathieu]’s first automatic cat feeder; a… ...

Once assembled, plastic creeps into the indentations, creating resistance bumps with valleys in-between. To loosen, the crests in the screw thread between the indentations must climb over each bump.

Just how much abuse these plastic screws can withstand was an open question, though, until he did a little torque testing to find out.

The screw will stay stuck on there until you get it where it needs to go. Check out the above video to see it in action. Simple Solutions For Driving Small Screws in Tight Places [5min.com via DIY ...

Plastic product might also be used for stents, bone screws May 06, 2002 at 4:00 AM Share ...