Our Coolant Ring Technology (CRT) Holders are designed for high-performance machining with single point tools. Featuring Coolant Ring Technology, these holders deliver 360° coolant flow around the tool for optimal cooling and chip evacuation. Built from heat-treated steel with dual lock-down screws, CRT Holders ensure maximum rigidity, thermal control, and faster tool changes. Inch and metric options available.
Coolant Ring Technology (CRT) Holders: Inch
| A (Inside Diameter) | S (Shank Diameter) | H (Head Diameter) | NPT Thread | OAL | Tool # | EDP # |
|---|---|---|---|---|---|---|
| 0.1250 | 0.500 | 0.625 | 1/8-27NPT | 2.84 | CRT500-125 | 200500 |
| 0.1875 | 0.500 | 0.625 | 1/8-27NPT | 2.84 | CRT500-187 | 200503 |
| 0.2500 | 0.500 | 0.625 | 1/8-27NPT | 2.84 | CRT500-250 | 200506 |
| 0.1250 | 0.625 | 0.750 | 1/4-18NPT | 3.34 | CRT625-125 | 200509 |
| 0.1875 | 0.625 | 0.750 | 1/4-18NPT | 3.34 | CRT625-187 | 200512 |
| 0.2500 | 0.625 | 0.750 | 1/4-18NPT | 3.34 | CRT625-250 | 200515 |
| 0.3125 | 0.625 | 0.750 | 1/4-18NPT | 3.34 | CRT625-312 | 200518 |
| 0.1250 | 0.750 | 0.865 | 3/8-18NPT | 3.34 | CRT750-125 | 200521 |
| 0.1875 | 0.750 | 0.865 | 3/8-18NPT | 3.34 | CRT750-187 | 200524 |
| 0.2500 | 0.750 | 0.865 | 3/8-18NPT | 3.34 | CRT750-250 | 200527 |
| 0.3125 | 0.750 | 0.865 | 3/8-18NPT | 3.34 | CRT750-312 | 200530 |
| 0.3750 | 0.750 | 0.865 | 3/8-18NPT | 3.34 | CRT750-375 | 200533 |
| 0.1250 | 1.000 | 1.115 | 1/2-14NPT | 3.34 | CRT1000-125 | 200413 |
| 0.1875 | 1.000 | 1.115 | 1/2-14NPT | 3.34 | CRT1000-187 | 200416 |
| 0.2500 | 1.000 | 1.115 | 1/2-14NPT | 3.34 | CRT1000-250 | 200419 |
| 0.3125 | 1.000 | 1.115 | 1/2-14NPT | 3.34 | CRT1000-312 | 200422 |
| 0.3750 | 1.000 | 1.115 | 1/2-14NPT | 3.34 | CRT1000-375 | 200425 |
| 0.5000 | 1.000 | 1.115 | 1/2-14NPT | 3.34 | CRT1000-500 | 200428 |