CHUCK BEBAS TUGAS BERAT SIRI K78
Badan keluli tugas berat, untuk ketegaran yang lebih tinggi, ketegaran yang lebih hebat dengan saraf yang diperkukuh, rahang dua keping.
Ia digunakan secara meluas dalam mesin bubut mendatar atau mesin bubut menegak yang besar dan berat.
SPESIFIKASI:
| Model | No. tirus pendek | D1 | D2 | D3 | H | H1 | h | h1 | h2 | d1 | zd | kg |
| 1000 | 11 | 196.869 | 235.0 | 180 | 355 | 150 | 20 | 16 | 10.0 | 29.4 | 8-M20 | 580 |
| 1250 | 11 | 196.869 | 235.0 | 180 | 355 | 150 | 20 | 16 | 10.0 | 29.4 | 8-M20 | 830 |
| 1000 | 15 | 285.775 | 330.2 | 280 | 355 | 150 | 21 | 17 | 10.0 | 35.7 | 8-M20 | 578 |
| 1250 | 15 | 285.775 | 330.2 | 280 | 355 | 150 | 21 | 17 | 20.0 | 35.7 | 8-M20 | 826 |
| 1400 | 15 | 285.775 | 330.2 | 280 | 355 | 150 | 21 | 17 | 20.0 | 35.7 | 8-M20 | 1470 |
| 1600 | 15 | 285.775 | 330.2 | 280 | 370/380 | 150/180 | 21 | 17 | 20.0 | 35.7 | 8-M20 | 1920 |
| 2000 | 15 | 285.775 | 330.2 | 280 | 380 | 175 | 21 | 17 | 20.0 | 35.7 | 8-M20 | 2810 |
| 1000 | 20 | 412.775 | 463.6 | 305 | 355 | 150 | 23 | 19 | 10.0 | 42.1 | 8-M24 | 575 |
| 1250 | 20 | 412.775 | 463.6 | 305 | 355 | 150 | 23 | 19 | 10.0 | 42.1 | 8-M24 | 820 |
| 1400 | 20 | 412.775 | 463.6 | 305 | 355 | 150 | 23 | 19 | 10.0 | 42.1 | 8-M24 | 1460 |
| 1600 | 20 | 412.775 | 463.6 | 305 | 370/380 | 150/180 | 23 | 19 | 10.0 | 42.1 | 8-M24 | 1900 |
| 2000 | 20 | 412.775 | 463.6 | 305 | 380 | 175 | 23 | 19 | 10.0 | 42.1 | 8-M24 | 2760 |
| 2500 | 20 | 412.775 | 463.6 | 305 | 405 | 200 | 23 | 19 | 10.0 | 42.1 | 8-M24 | 4930 |