| Imperial Dimensions (inches) |
MSB 10 |
MSB 15 |
MSB 20 |
MSB 30 |
MSB 50 |
MSB 75 |
MSB 100 |
MSB 125 |
MSB 150 |
MSB 200 |
|---|---|---|---|---|---|---|---|---|---|---|
| A | 1-3/4 | 1-3/4 | 2-1/8 | 2-3/8 | 2-3/4 | 3-1/4 | 3-1/2 | 3-5/8 | 3-7/8 | 4-3/8 |
| B | 15-3/8 | 16-7/8 | 17-7/8 | 21-1/4 | 27 | 32-5/8 | 38-3/8 | 41-5/8 | 45-3/8 | 50 |
| C | 8-3/4 | 9-5/8 | 10-3/8 | 12-1/8 | 15-3/8 | 18-3/4 | 22 | 23-3/4 | 26 | 26-5/8 |
| D | 12-3/4 | 14-1/8 | 14-1/8 | 16-1/2 | 21 | 25-1/2 | 30 | 32-3/8 | 35-3/8 | 39 |
| E | 11-1/4 | 12-3/8 | 12-3/4 | 14-7/8 | 18-7/8 | 23 | 27 | 29-1/8 | 31-7/8 | 35-1/8 |
| F | 1-3/4 | 2 | 2-1/8 | 2-1/2 | 3-1/8 | 3-7/8 | 4-1/2 | 4-7/8 | 5-1/4 | 5-7/8 |
| G | - | - | - | - | - | - | 13 | 14 | 15-3/8 | 15-5/8 |
| H | - | - | 7-7/8 | 9-1/4 | 10-1/8 | 12-1/4 | 20-1/2 | 22-1/4 | 24-1/4 | 24-1/8 |
| I | 8 | 8-7/8 | 11 | 12-7/8 | 15-1/2 | 18-7/8 | 23-1/2 | 25-3/8 | 27-3/4 | 29-3/4 |
| J | 3-1/4 | 3-5/8 | 0 | 0 | 3-3/4 | 4-5/8 | 0 | 0 | 0 | 4-7/8 |
| K | - | - | 4-7/8 | 5-3/4 | 7-7/8 | 9-1/2 | 7-3/4 | 8-1/4 | 9-1/8 | 12-1/4 |
| L | - | - | - | - | - | - | 11-1/2 | 12-3/8 | 13-1/2 | 15 |
| M | 9-1/4 | 10-1/8 | 10-3/4 | 12-5/8 | 16-1/8 | 19-1/2 | 23 | 24-7/8 | 27-1/8 | 29-7/8 |
| N | 4-3/4 | 5-1/4 | 5-5/8 | 6-5/8 | 8-3/8 | 10-1/4 | 12 | 13 | 14-1/8 | 15-5/8 |
| Bolt Size | 1 | 1 | 1 | 1-1/4 | 1-3/8 | 1-3/4 | 1-3/4 | 2 | 2 | 2-1/4 |
| Bolt Length | 18 | 18 | 18 | 18 | 24 | 30 | 30 | 36 | 36 | 36 |
| Bolt Qty | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 8 |
