29/64 inch in mm and decimal

29/64 in = 0.453125 in = 11.509 mm. Closest metric drill: 11.5 mm.

Taps that use a 29/64 drill

Drill	Type	Inch	mm	Difference
13/32	fraction	.4063 in	10.319	-46.9 thou
Z	letter	.4130 in	10.490	-40.1 thou
27/64	fraction	.4219 in	10.716	-31.3 thou
7/16	fraction	.4375 in	11.112	-15.6 thou
29/64	fraction	.4531 in	11.509	0.0 thou
15/32	fraction	.4688 in	11.906	15.6 thou
31/64	fraction	.4844 in	12.303	31.3 thou
1/2	fraction	.5000 in	12.700	46.9 thou
33/64	fraction	.5156 in	13.097	62.5 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.