Tap Drill Size Chart

11.9 mm Drill Size

metric drill

11.9 mm 0.4685 in 11.90 mm

A 11.9 mm drill measures 0.4685 in. It taps 2 threads in this chart.

What a 11.9 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 11.9 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread % thread Chart drill Chart %
M14 x 2 80.8% 12 mm 77.0%
1/2-28 67.9% 15/32″ 67.2%

Drills either side

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11.9 mm drill: common questions

What size is a 11.9 mm drill?
0.4685 inches, which is 11.90 mm. It is a metric drill.
What can I tap with a 11.9 mm drill?
2 threads: M14 x 2 at 80.8%, 1/2-28 at 67.9%.
What drill is next to a 11.9 mm?
Down: 11.8 mm at 0.4646 in. Up: 15/32 in at 0.4688 in.