|
| | |--------+--------| hexagon | |
A | B | C | Hexa- | Square.| and | |
| | | gon. | | square, | Depth of | Depth of
| | | | | or width | nut, | bolt
| | | | | across J.| H. | head, K.
-------+------+---------+--------+--------+----------+----------+----------
1/4 | .185 | 20 | 9/16| 23/32| 1/2 | 1/4 | 1/4
5/16 | .240 | 18 | 11/16| 27/32| 19/32 | 5/16 | 19/64
3/8 | .294 | 16 | 25/32| 31/32| 11/16 | 3/8 | 11/32
7/16 | .345 | 14 | 29/32| 1-3/32 | 25/32 | 7/16 | 25/64
1/2 | .400 | 13 | 1 | 1-1/4 | 7/8 | 1/2 | 7/16
9/16 | .454 | 12 | 1-1/8 | 1-3/8 | 31/32 | 9/16 | 31/64
5/8 | .507 | 11 | 1-7/32 | 1-1/2 | 1-1/16 | 5/8 | 17/32
3/4 | .620 | 10 | 1-7/16 | 1-3/4 | 1-1/4 | 3/4 | 5/8
7/8 | .731 | 9 | 1-21/32| 2-1/32 | 1-7/16 | 7/8 | 23/32
1 | .837 | 8 | 1-7/8 | 2-5/16 | 1-5/8 | 1 | 13/16
1-1/8 | .940 | 7 | 2-3/32 | 2-9/16 | 1-13/16 | 1-1/8 | 29/32
1-1/4 |1.065 | 7 | 2-5/16 | 2-27/32| 2 | 1-1/4 | 1
1-3/8 |1.160 | 6 | 2-17/32| 3-3/32 | 2-3/16 | 1-3/8 | 1-3/32
1-1/2 |1.284 | 6 | 2-3/4 | 3-11/32| 2-3/8 | 1-1/2 | 1-3/16
1-5/8 |1.389 | 5-1/2 | 2-31/32| 3-5/8 | 2-9/16 | 1-5/8 | 1-9/32
1-3/4 |1.491 | 5 | 3-3/16 | 3-7/8 | 2-3/4 | 1-3/4 | 1-3/8
1-7/8 |1.616 | 5 | 3-13/32| 4-5/32 | 2-15/16 | 1-7/8 | 1-15/32
2 |1.712 | 4-1/2 | 3-19/32| 4-13/32| 3-1/8 | 2 | 1-9/16
2-1/4 |1.962 | 4-1/2 | 4-1/32 | 4-15/16| 3-1/2 | 2-1/4 | 1-3/4
2-1/2 |2.176 | 4 | 4-15/32| 5-15/32| 3-7/8 | 2-1/2 | 1-15/16
2-3/4 |2.426 | 4 | 4-29/32| 6 | 4-1/4 | 2-3/4 | 2-1/8
3 |2.629 | 3-1/2 | 5-11/32| 6-17/32| 4-5/8 | 3 | 2-5/16
3-1/4 |2.879 | 3-1/2 | 5-25/32| 7-1/16 | 5 | 3-1/4 | 2-1/2
3-1/2 |3.100 | 3-1/4 | 6-7/32 | 7-19/32| 5-3/8 | 3-1/2 | 2-11/16
3-3/4 |3.317 | 3 | 6-5/8 | 8-1/8 | 5-3/4 | 3-3/4 | 2-7/8
... |3.567 | 3 | 7-1/16 | 8-21/32| 6-1/8 | 4 | 3-1/16
4-1/4 |3.798 | 2-7/8 | 7-1/2 | 9-3/16 | 6-1/2 | 4-1/4 | 3-1/4
4-1/2 |4.028 | 2-3/4 | 7-15/16| 9-23/32| 6-7/8 | 4-1/2