#40 Drill Size

A #40 number drill is 0.0980" (2.489 mm).

Closest fraction: 3/32 (0.0938", under by 0.0043").

Next size down / up

Drill	Inch	mm
#41	0.0960	2.438
2.5 mm	0.0984	2.500

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