Shop Floor Charts

#63 Drill Size

A #63 number drill is 0.0370" (0.940 mm).

Closest fraction: 1/32 (0.0312", under by 0.0057").

Next size down / up

DrillInchmm
#640.03600.914
#620.03800.965

Full drill size chart →

Printable PDF version - Drill Size Chart
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