Tap Drill Size Chart

13.6 mm Drill Size

metric drill

13.6 mm 0.5354 in 13.60 mm

A 13.6 mm drill measures 0.5354 in. It taps 2 threads in this chart.

What a 13.6 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 13.6 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 75.9% 17/32″ 79.4%
9/16-24 50.1% 33/64″ 86.6%

Drills either side

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13.6 mm drill: common questions

What size is a 13.6 mm drill?
0.5354 inches, which is 13.60 mm. It is a metric drill.
What can I tap with a 13.6 mm drill?
2 threads: 5/8-11 at 75.9%, 9/16-24 at 50.1%.
What drill is next to a 13.6 mm?
Down: 13.5 mm at 0.5315 in. Up: 13.8 mm at 0.5433 in.