General Specifications
| Parameter | Value / Detail |
| Model Designation | ER40-1/8 |
| Standard | DIN 6499 / ISO 15488 Class B |
| Nominal Clamping Size | 1/8″ (0.1250 inch / 3.175 mm) |
| Clamping Range | 0.125″ – 0.085″ (3.175 mm – 2.175 mm)* |
| Material | High-Quality Alloy Spring Steel (e.g., SUJ2) |
| Hardness | HRC 44 – 48 |
| Surface Finish | Precision Ground and Polished |
Precision & Runout (T.I.R.)
Standard Grade: Runout +/- 0.015 (0.0006″)
Ultra-Precision (UP) Grade: Runout +/- 0.005 (0.0002″)
Compatibility
Tooling: Fits all standard ER40 collet chucks and nut systems (CAT, BT, ISO, MT tapers).
Applications: Ideal for holding small diameter end mills, engravers, and micro-drills in larger ER40 setups.
High-Quality and Versatile Engineering Tool
The ER40 Spring Collet 1/18 CNC is designed for professionals who demand precision and efficiency in their machining projects. It delivers exceptional performance, allowing you to achieve reliable clamping and unmatched accuracy. With a robust design and universal compatibility, this collet is an indispensable tool for CNC machines, mills, routers, and other industrial equipment. Whether you’re working on high-tolerance applications or everyday machining tasks, the ER40 Spring Collet ensures you stay productive without compromising quality.
Superior Build for Enhanced Performance
Crafted from high-grade steel, the ER40 Spring Collet 1/18 CNC stands out for its durability and resilience under demanding operational conditions. Its ability to maintain consistent grip reduces vibration, ensuring smooth operation and extended tool life. The spring mechanism provides robust and even clamping across the workpiece, resulting in minimal distortion and maintaining the integrity of the setup. The collet is expertly machined to meet exact industry standards, making it a reliable addition to your toolkit.
Perfect Fit for Various Applications
The ER40 Spring Collet 1/18 CNC is specifically engineered for compatibility with a wide range of tooling and machines. Its flexible design accommodates varying types of cutters, drills, and end mills, making it suitable for diverse projects in woodworking, metalworking, and prototyping. The collet simplifies the transition between tools, minimizing downtime while maintaining precise alignment with every use. Its versatility promotes efficiency in multi-tasking environments, catering to both professional machinists and hobbyists seeking uncompromised precision.
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