Tap Drill Size Chart

4.7 mm Drill Size

metric drill

4.7 mm 0.185 in 4.70 mm

A 4.7 mm drill measures 0.185 in. It taps 3 threads in this chart.

What a 4.7 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 4.7 mm drill taps, with the percent of thread each one gets and the published chart drill for comparison.
Thread % thread Chart drill Chart %
#12-32 76.4% #13 76.4%
#12-28 66.8% #14 73.3%
#12-24 57.3% #16 72.1%

Drills either side

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4.7 mm drill: common questions

What size is a 4.7 mm drill?
0.185 inches, which is 4.70 mm. It is a metric drill.
What can I tap with a 4.7 mm drill?
3 threads: #12-32 at 76.4%, #12-28 at 66.8%, #12-24 at 57.3%.
What drill is next to a 4.7 mm?
Down: #13 at 0.185 in. Up: 3/16 in at 0.1875 in.