11/64 inch in mm and decimal

11/64 in = 0.171875 in = 4.366 mm. Closest metric drill: 4.4 mm.

Nearby drill sizes

Drill	Type	Inch	mm	Difference
#21	number	.1590 in	4.039	-12.9 thou
#20	number	.1610 in	4.089	-10.9 thou
#19	number	.1660 in	4.216	-5.9 thou
#18	number	.1695 in	4.305	-2.4 thou
11/64	fraction	.1719 in	4.366	0.0 thou
#17	number	.1730 in	4.394	1.1 thou
#16	number	.1770 in	4.496	5.1 thou
#15	number	.1800 in	4.572	8.1 thou
#14	number	.1820 in	4.623	10.1 thou

1 thou = 0.001 in = 0.0254 mm. Drills a few thou apart are usually interchangeable for clearance holes, but not for tap drills or reamer pilots.