ER25 CN25 Sandard Nut 42mm Dia x 21.5mm Long M32 x 1.5P
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Ann Way ER collet nuts are precision‑engineered fastening components designed to deliver secure, uniform clamping pressure for ER collet systems used in milling, drilling, tapping, and general machining. Manufactured to exacting tolerances, these nuts ensure reliable collet compression, reduced run‑out, and consistent toolholding performance. The range includes standard ER nuts across sizes ER11 to ER40 as well as bearing‑type nuts, which incorporate internal thrust‑bearing elements to reduce friction during tightening. This improves torque transmission, minimises heat buildup, and enhances clamping repeatability, especially in high‑speed or automated machining environments. Together, Ann Way’s standard and bearing‑style ER nuts provide machinists with dependable, durable, and high‑accuracy toolholding hardware suited to a wide range of applications.
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- Precision‑ground internal threads ensure smooth tightening and consistent clamping force.
- Compatible with ER11 through ER40 collet systems, covering a wide range of tool diameters.
- Hardened alloy‑steel construction delivers strength, wear resistance, and long operational life.
- Standard nut profiles provide robust everyday toolholding for milling, drilling, and general CNC work.
- Bearing‑type nuts (CN‑B series) reduce friction during tightening, improving torque efficiency and toolholding accuracy.
- Enhanced concentricity helps reduce vibration and improves surface finish and dimensional precision.
- High‑reliability clamping minimises tool slippage under load, supporting stable machining at higher cutting parameters.
- Suitable for CNC, manual milling, router tables, and precision toolholding fixtures, offering broad workshop versatility.
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