$7.49 / EA
7/16-14 national coarse plug style fractional tap. Precision cut threads, accurately formed for consistent, exact threading. Heat treated and tempered for tile hard threads, and longer, useful life. Designed for hand cutting applications.
5/32x6 masonry drill bit
1/4-18 npt tap
320g xtra sanding sponge
2-5/8" hole saw