The 10-24 fillister head screw provides the post that is used to fasten the flat box to the flat box handles on most drywall flat boxes.
10-24 x 1 1/4" Fillister Screw
$1.05
Part #:
1024-114F
Fits:
✓ NorthStar™
✓ TapeTech®
✓ Drywall Master
✓ Columbia
✓ Concorde
Compatible part numbers:
FFB-30, 339073