J Drill Size

A J letter drill is 0.2770" (7.036 mm).

Closest fraction: 9/32 (0.2812", over by 0.0042").

Next size down / up

Drill	Inch	mm
7 mm	0.2756	7.000
K	0.2810	7.137

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