23.5 EMT Conduit Sanding Drill Bit

This printed part along with a hex bolt / nut, and one or two smaller screws will act as specialized clamp drill bit that allows you to sand EMT conduit to a nicer finish than the dull mess it comes from the store as.

- Simply bolt the 5/16" hex bolt into the bit holder with a 1/2" hex wrench (13mm) snug but don't overkill it.
- Add one or two 6-32 x 3/4 (shown) or M3-10mm screws to the side holes which act as clamp downs on the EMT conduit.
- Stand the pipe vertically on the floor and tap