13.4 mm Drill Size

metric drill

13.4 mm 0.5276 in 13.40 mm

A 13.4 mm drill measures 0.5276 in. It taps 2 threads in this chart.

What a 13.4 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 13.4 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread	% thread	Chart drill	Chart %
5/8-11	82.5%	17/32″	79.4%
9/16-24	64.5%	33/64″	86.6%

Other jobs for a 13.4 mm

Form-tap hole: The published roll-tap hole for M14 x 1.25. A form tap displaces metal instead of cutting it, so it needs this larger hole.

Drills either side

13.3 mm 0.5236 in · 13.3 mm Next size down
17/32″ 0.5312 in · 13.49 mm Next size up

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

13.4 mm drill: common questions

What size is a 13.4 mm drill?

0.5276 inches, which is 13.40 mm. It is a metric drill.

What can I tap with a 13.4 mm drill?

2 threads: 5/8-11 at 82.5%, 9/16-24 at 64.5%.

What drill is next to a 13.4 mm?

Down: 13.3 mm at 0.5236 in. Up: 17/32 in at 0.5312 in.