E Drill Size

A E letter drill is 0.2500" (6.350 mm).

Closest fraction: 1/4 (0.2500", under by 0.0000").

Next size down / up

Drill	Inch	mm
1/4	0.2500	6.350
6.5 mm	0.2559	6.500

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