Mass (without top
jaw)Mass (without top jawMass (without top jaw)
ONE STOP WORKHOLDING
SMW-Autoblok Static Chucks Style M4-PB
Air-Operated Multiple Chuck Fixtures for Machining Centers

Dimensions
| SMW-AUTOBLOK Type | M4-PB 130 | M4-PB 165 | M4-PB 210 | M4-PB 250 | M4-PB 315 | ||
| Chucks diameter | A | mm | 135 | 170 | 215 | 260 | 315 |
| B | mm | 398 | 449 | 549 | 649 | 749 | |
| C | mm | 400 | 460 | 585 | 660 | 780 | |
| D | mm | 107.5 | 131 | 155 | 175 | 205 | |
| E | mm | 185 | 223 | 275 | 310 | 370 | |
| F | mm | 200 | 225 | 275 | 325 | 375 | |
| H | mm | 89 | 100 | 117 | 127 | 141 | |
| Fixing holes diameter | M | mm | 17 | 17 | 17 | 17 | 17 |
| N | mm | 20 | 20 | 20 | 20 | 20 | |
| P1 | mm | - | 50 | 50 | 50 | 50 | |
| P2 | mm | 150 | 150 | 200 | 250 | 300 | |
| P3 | mm | 50 | 50 | 50 | - | - | |
| P5 | mm | 25 | 17.5 | 17.5 | 30 | 40 | |
| P6 | mm | 350 | 460 | 550 | 600 | 700 | |
| R1 | mm | 24 | 37 | 37 | 37 | 37 | |
| R2 | mm | 150 | 175 | 225 | 275 | 325 | |
| R3 | mm | 24 | 62 | 62 | 62 | 62 | |
| R4 | mm | - | 25 | 25 | 25 | 25 | |
| R5 | mm | 24 | 12 | 12 | 12 | 12 | |
| R7 | mm | 174 | 137 | 187 | 237 | 287 | |
| S | mm | 14 | 18 | 18 | 18 | 18 | |
| T | mm | 39 | 44 | 49 | 54 | 54 | |
| V | mm | 6 | 6 | 6 | 6 | 6 | |
| Pneumatic connections | Z | inch | R1/4" | R1/4" | R1/4" | R1/4" | R1/4" |