#16 Drill Size

A #16 number drill is 0.1770" (4.496 mm).

Closest fraction: 11/64 (0.1719", under by 0.0051").

Next size down / up

Drill	Inch	mm
#17	0.1730	4.394
4.5 mm	0.1772	4.500

Printable PDF version - Drill Size Chart
Clean letter-size sheet for the toolbox or shop wall. Instant download, $3.49.