#14 Drill Size

number drill

#14 0.182 in 4.62 mm

A #14 drill is the standard tap drill for #12-28.

What a #14 drill taps

Every thread this drill cuts between 50% and 85% of thread, deepest first. Outside that band it is the wrong drill for the job, so nothing below that line is listed.

Threads a #14 drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
#12-32	83.8%	#13	76.4%
#12-28 chart drill	73.3%	#14	73.3%
#12-24	62.8%	#16	72.1%

Drills either side

4.6 mm 0.1811 in · 4.6 mm Next size down
#13 0.185 in · 4.7 mm Next size up

All drill sizes → · Open this drill in the calculator →

#14 drill: common questions

What size is a #14 drill?

0.182 inches, which is 4.62 mm. It is a number drill.

What can I tap with a #14 drill?

3 threads: #12-32 at 83.8%, #12-28 at 73.3%, #12-24 at 62.8%.

Is a #14 drill the standard tap drill for anything?

Yes, for #12-28 (73.3% thread). That is the size published tap and drill charts give.

What drill is next to a #14?

Down: 4.6 mm at 0.1811 in. Up: #13 at 0.185 in.