On Aug 8, 3:03*pm, Randy wrote:
...larger shotgun bore
brushes have a 5/16-27 thread ...
Good place to buy them cheap? *or other small wire brushes to use
instead of bore brushes?
Randy

Enco 319-6373 $14.27 for the plug tap, 319-6469 $13.96 for the die.
They also have 1/4-80 if you ever need one. The few things I've bought
from them recently were good quality.

The South Bend 10L can cut 11-1/2 and 27 TPI.

Jim Wilkins