Heavy service (HS Series) (Fully closing)
| Order number | Clamping capacity | Throat depth | Clamping force | Approx. weight |
| inches | inches | lbs | lbs | |
|---|---|---|---|---|
|
B-HS 2
|
0 - 2 3/8 | 1 7/8 | 12500 | 4.05 |
|
B-HS 3
|
0 - 3 5/16 | 2 5/16 | 16250 | 6.85 |
|
B-HS 4
|
0 - 4 1/2 | 2 3/4 | 20000 | 10.5 |
|
B-HS 6
|
0 - 6 3/8 | 3 3/8 | 27500 | 18.65 |
|
B-HS 8
|
0 - 8 1/4 | 3 5/8 | 31250 | 26.2 |