CAPORALI GAETANO PS.TC00F Pull studs without coolant bore for spindles ISO 7388/2A taper ISO30, ISO40, ISO50
The ISO taper pull studs are components in machine tools, used to secure the tool holder to the spindle. They are made from high-strength steel, often heat-treated and ground, to ensure a proper grip under loads and vibrations. Features include ISO30, ISO40, and ISO50 tapers with corresponding threads and specific dimensions. Their function is to tighten the tool holder, providing optimal clamping force to keep the tool in position, conforming to ISO standards for accurate fitting.

The drawbars for ISO taper spindles are essential components in machine tools, designed to ensure a solid and precise connection between the spindle and the machine's headstock. Made of high-strength steel, often hardened and ground, these drawbars provide reliable clamping even under high loads and vibrations during machining operations.
Characteristics:
| Taper | Thread "M" | A | H±0,05 | D | L | B | A2 | L2 |
| ISO30 | M12* | 12 | 19 | 13 | 44 | 4 | 8 | 24 |
| ISO40 | M16 | 19 | 20 | 17 | 54 | 7 | 14 | 26 |
| ISO50 | M24 | 28 | 25 | 25 | 74 | 11,5 | 21 | 34 |
* Without O-ring
Their primary function is to clamp the spindle, applying optimal tightening force to keep the tool or tool holder securely in place. Thanks to their precise threading and compliance with ISO standards, the drawbars perfectly fit various spindle types, such as ISO 30, ISO 40, or ISO 50 tapers, ensuring compatibility with a wide range of machinery.
In addition to mechanical strength, spindle drawbars must adhere to tight dimensional tolerances to prevent imbalance or premature wear. They often feature surface treatments, such as nitriding, to enhance wear and corrosion resistance. Their balanced design is crucial for maintaining precision in high-speed machining, where even minimal misalignment can compromise the quality of the finished part.
- Brand:
- GAETANO CAPORALI
- Typology:
- Pull Stud
- Size:
- DIN69872