A | |||||||||||||
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Part Number | Min | Optimum | Max | B | C | D | E | Socket Head Screw DIN 912 | Clamping Force of Jaws kN (lbs) | Tightening Torque Nm (ft/lbs) | Weight in g (lbs) approx. | Hardness of Jaws HRC | |
| 33 | 35 | 37 | 15 | 21 | 2.5 | M8 X 20 | 22 (4,975) | 29 | 43 (31.7) | 64 (0.14) | 38-42 | |
| 51 | 54.4 | 57.8 | 41 | 22 | 30 | 4 | M12 X 30 | 55 (12,364) | 145 (107) | 212 (0.41) | 38-42 | |
| 2.01 | 2.14 | 2.28 | 1.61 | 0.86 | 1.18 | 0.15 | 1/2-13 X 1 1/4" | 55 (12,364) | 145 (107) | 212 (0.41) | 38-42 |