Tap drills and clearance holes

Tap drill sizes (75% and 50% thread) and clearance hole drills (close and free fit) by machine screw size and threads per inch.

1.0938
1-1/8 1.1250 7 .9497 63/64 .9844 1-1/32 1.0313 1-9/64 1.1406 1-5/32 1.1562
1-1/8 1.1250 12 1.0228 1-3/64 1.0469 1-5/64 1.0781 1-9/64 1.1406 1-5/32 1.1562
1-1/8 1.1250 18 1.0568 1-1/16 1.0625 1-5/64 1.0781 1-9/64 1.1406 1-5/32 1.1562
1-3/16 1.1875 18 1.1193 1-1/8 1.1250 1-9/64 1.1406 1-13/64 1.2031 1-7/32 1.2188
1-1/4 1.2500 7 1.0747 1-7/64 1.1094 1-5/32 1.1562 1-17/64 1.2656 1-9/32 1.2812
1-1/4 1.2500 12 1.1478 1-11/64 1.1719 1-13/64 1.2031 1-17/64 1.2656 1-9/32 1.2812
1-1/4 1.2500 18 1.1818 1-3/16 1.1875 1-13/64 1.2031 1-17/64 1.2656 1-9/32 1.2812
1-5/16 1.3125 18 1.2443 1-1/4 1.2500 1-17/64 1.2656 1-21/64 1.3281 1-11/32 1.3438
1-3/8 1.3750 6 1.1705 1-7/32 1.2187 1-17/64 1.2656 1-25/64 1.3906 1-13/32 1.4062
1-3/8 1.3750 12 1.2728 1-19/64 1.2969 1-21/64 1.3281 1-25/64 1.3906 1-13/32 1.4062
1-3/8 1.3750 18 1.3068 1-5/16 1.3125 1-21/64 1.3281 1-25/64 1.3906 1-13/32 1.4062
1-7/16 1.4375 18 1.3693 1-3/8 1.3750 1-25/64 1.3906 1-29/64 1.4531 1-15/32 1.4688
1-1/2 1.500 6 1.2955 1-11/32 1.3437 1-25/64 1.3906 1-33/64 1.5156 1-17/32 1.5312
1-1/2 1.500 12 1.3978 1-27/64 1.4219 1-7/16 1.4375 1-33/64 1.5156 1-17/32 1.5312
1-1/2 1.500 18 1.4318 1-7/16 1.4375 1-29/64 1.4531 1-33/64 1.5156 1-17/32 1.5312
1-9/16 1.5625 18 1.4943 1-12 1.500 1-33/64 1.5156 1-37/64 1.5781 1-19/32 1.5938
1-5/8 1.625 18 1.5568 1-9/16 1.5625 1-37/64 1.5781 1-41/64 1.6406 1-21/32 1.6562
1-11/16 1.6875 18 1.6193 1-5/8 1.6250 1-41/64 1.6406 1-45/64 1.7031 1-23/32 1.7188
1-3/4 1.750 5 1.5046 1-9/16 1.5625 1-5/8 1.6250 1-49/64 1.7659 1-25/32 1.7812