4ATL Series 6″, 8″, 10″, 12″, 15″, 18″ & 24″ Chucks
• All steel body
• Hardened jaw way and internal parts
• ± .0005 repeatability
• 1.5mm x 60° master jaws
• 4-Jaw universal design
Products
Atlas 4-Jaw Universal Power Chucks
| Model | Through Hole | Plunger Stroke | Jaw Stroke | Max Draw Bar Pull Force (lbf) | Max. Gripping Force (lbf) | Max. Speed (rpm) | Weight (lbs) | Moment of Inertia l (kg - m2) |
|---|---|---|---|---|---|---|---|---|
| 4ATL6-A5 | 1.771" | .472" | .216" | 4945 | 12813 | 4500 | 30 | 0.058 |
| 4ATL8-A5 | 2.047" | .629" | .291" | 7844 | 20007 | 3600 | 53 | 0.177 |
| 4ATL8-A6 | 2.047" | .629" | .291" | 7844 | 20007 | 3600 | 53 | 0.177 |
| 4ATL10-A6 | 2.952" | .748" | .346" | 9667 | 24.932 | 3200 | 79 | 0.324 |
| 4ATL10-A8 | 2.952" | .748" | .346" | 9667 | 24.932 | 3200 | 79 | 0.324 |
| 4ATL12-A6 | 3.582" | .905" | .417" | 12813 | 33047 | 2700 | 129 | 0.763 |
| 4ATL12-A8 | 3.582" | .905" | .417" | 12813 | 33047 | 2700 | 129 | 0.763 |
| 4ATL12-A11 | 3.582" | .905" | .417" | 12813 | 33047 | 2700 | 129 | 0.763 |
| 4ATL15-A8 | 4.625" | .905" | .417" | 15961 | 40405 | 1900 | 251 | 2.331 |
| 4ATL15-A11 | 4.625" | .905" | .417" | 15961 | 40405 | 1900 | 251 | 2.331 |
| 4ATL18-A8 | 4.625" | .905" | .417" | 15961 | 40405 | 1500 | 269 | 3.798 |
| 4ATL18-A11 | 4.625" | .905" | .417" | 15961 | 40405 | 1500 | 269 | 3.798 |
| 4ATL24-A11 | 8.070" | 1.023" | .472" | 20232 | 52604 | 1000 | 582 | 15.2 |
| 4ATL24-A15 | 8.070" | 1.023" | .472" | 20232 | 52604 | 1000 | 582 | 15.2 |
| Dimensional Data (in inch) | |||||||
|---|---|---|---|---|---|---|---|
| MODEL | 4ATL6 | 4ATL8 | 4ATL10 | 4ATL12 | 4ATL15 | 4ATL18 | 4ATL24 |
| A | 6.65 | 8.26 | 10 | 11.96 | 15 | 17.71 | 24 |
| B | 3.18 | 3.58 | 3.93 | 4.33 | 5.23 | 5.23 | 5.78 |
| C (H6) | 5.51 | 6.69 | 8.66 | 8.66 | 11.81 | 11.81 | 20.47 |
| D | 0.787 | 0.984 | 1.181 | 1.181 | 1.692 | 1.692 | 2.362 |
| H | 4.125 | 5.25 | 6.75 | 6.75 | 9.251 | 9.251 | 18.251 |
| J | 0.629 | 0.787 | 0.866 | 0.905 | 1.377 | 1.377 | 1.377 |
| K | 4-M10x80 | 4-M12x90 | 4-M16x100 | 4-M16x110 | 4-M20x135 | 4-M20x135 | 8-M24x150 |
| L | 1.771 | 2.047 | 2.952 | 3.582 | 4.625 | 4.625 | 8.07 |
| M | 0.196 | 0.196 | 0.196 | 0.236 | 0.236 | 0.236 | 0.236 |
| N max. | 1.259 | 1.523 | 2.007 | 2.413 | 3.22 | 3.22 | 5.507 |
| O max. | 0.895 | 1.171 | 1.328 | 1.801 | 1.781 | 3.139 | 3.444 |
| O min | 0.364 | 0.58 | 0.561 | 0.62 | 0.6 | 0.6 | 0.945 |
| P max. | 0.433 | 0.57 | 0.334 | 0.314 | 0.275 | 0.275 | 0.63 |
| P min | -0.039 | -0.059 | -0.413 | -0.59 | -0.63 | -0.63 | -0.393 |
| Q | 0.078 | 0.078 | 0.078 | 0.078 | 0.196 | 0.196 | 0.196 |
| R | 0.472 | 0.551 | 0.629 | 0.826 | 0.866 | 0.866 | 0.984 |
| S | 0.748 | 0.807 | 0.984 | 1.102 | 1.692 | 1.162 | 1.496 |
| T | 1.22 | 1.377 | 1.574 | 1.968 | 2.44 | 2.44 | 2.559 |
| U max | M55x2 | M60x2 | M85x2 | M100x2 | M130x2 | M130x2 | M215x3 |
| W | 2.362 | 2.598 | 3.7 | 4.251 | 5.472 | 5.472 | 9.055 |
| X | 1.456 | 1.496 | 1.692 | 2.007 | 2.598 | 2.598 | 2.874 |
| Y | 2.874 | 3.74 | 4.33 | 5.118 | 6.496 | 6.496 | 7.086 |