-4 1/4″ Round 0.252/0.255
-4H 1/4″ Hex 0.253/0.257
-5 5/16″ Round 0.315/0.319
-5H 5/16″ Hex 0.317/0.322
-6 3/8″ Round 0.377/0.382
-6H 3/8″ Hex 0.382/0.384
-7 7/16″ Hex 0.440/0.445
-7H 7/16″ Hex 0.450/0.451
-8 1/2″ Round 0.501/0.505
-9H 9/16″ Hex 0.571/0.573
-10 5/8″ Round 0.627/0.629
-10H 5/8″ Hex 0.635/0.640
-11H 11/16″ Hex 0.698/0.703
-12 3/4″ Round 0.753/0.757
-12H 3/4″ Hex 0.765/0.770

1/2″ 0.500
9/16″ 0.5625
17/32″ 0.5312
23/32″ 0.718
25/32″ 0.781
41/64″ 0.640
43/64″ 0.671
45/64″ 0.703
47/64″ 0.734
49/64″ 0.765
63/64″ 0.984
3/4″ 0.750
15/16″ 0.937
1-3/16″ 1.187