Tap Drill Size Chart

4.9 mm Drill Size

metric drill

4.9 mm 0.1929 in 4.90 mm

A 4.9 mm drill measures 0.1929 in. It taps 2 threads in this chart.

What a 4.9 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 4.9 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread % thread Chart drill Chart %
M6 x 1 84.7% 5 mm 77.0%
#12-32 56.9% #13 76.4%

Drills either side

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4.9 mm drill: common questions

What size is a 4.9 mm drill?
0.1929 inches, which is 4.90 mm. It is a metric drill.
What can I tap with a 4.9 mm drill?
2 threads: M6 x 1 at 84.7%, #12-32 at 56.9%.
What drill is next to a 4.9 mm?
Down: #11 at 0.191 in. Up: #10 at 0.1935 in.