13.3 mm Drill Size

metric drill

13.3 mm 0.5236 in 13.30 mm

A 13.3 mm drill measures 0.5236 in. It taps 2 threads in this chart.

What a 13.3 mm 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 13.3 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
9/16-24	71.9%	33/64″	86.6%
9/16-18	53.9%	33/64″	65.0%

Other jobs for a 13.3 mm

Form-tap hole: The published roll-tap hole for M14 x 1.5. A form tap displaces metal instead of cutting it, so it needs this larger hole.

Drills either side

13.2 mm 0.5197 in · 13.2 mm Next size down
13.4 mm 0.5276 in · 13.4 mm Next size up

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

13.3 mm drill: common questions

What size is a 13.3 mm drill?

0.5236 inches, which is 13.30 mm. It is a metric drill.

What can I tap with a 13.3 mm drill?

2 threads: 9/16-24 at 71.9%, 9/16-18 at 53.9%.

What drill is next to a 13.3 mm?

Down: 13.2 mm at 0.5197 in. Up: 13.4 mm at 0.5276 in.