5/32 in Drill Size

fractional drill

5/32″ 0.1562 in 3.97 mm

A 5/32 in drill measures 0.1562 in. It taps 2 threads in this chart.

What a 5/32 in 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 5/32 in drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
#10-32	83.3%	#21	76.4%
#10-24	62.4%	#25	74.8%

Other jobs for a 5/32 in

Clearance hole: The through hole a bolt passes in, not a tapped hole: normal fit for #5-40, normal fit for #5-44. See the clearance hole chart.

Drills either side

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

5/32 in drill: common questions

What size is a 5/32 in drill?

0.1562 inches, which is 3.97 mm. It is a fractional drill.

What can I tap with a 5/32 in drill?

2 threads: #10-32 at 83.3%, #10-24 at 62.4%.

Is a 5/32 in drill used for clearance holes?

Yes: normal fit for #5-40, normal fit for #5-44. A clearance hole is not tapped; the bolt passes through it.

What drill is next to a 5/32 in?

Down: #23 at 0.154 in. Up: #22 at 0.157 in.