The ER11 RF rubber sealed collets with neoprene inserts, manufactured according to DIN ISO 15488 (DIN 6499), are designed for high-precision machining applications requiring the use of tools with internal coolant supply. These collets allow effective sealing of the coolant flow inside the tool, improving cooling efficiency and promoting chip evacuation during machining processes.

Coolant sealing is ensured by integrated neoprene elastomer inserts located inside the collet cone, which seal the tool shank while allowing the controlled passage of coolant through the internal channels of the cutting tool. This design enables the coolant to be directed precisely to the cutting zone, improving tool life and machining quality.

The collet body is divided into four elastic sectors, ensuring uniform clamping force distribution and high mechanical stability during operation. This design guarantees a runout accuracy up to 0.008 mm, which is essential for precision machining operations on CNC machines and high-performance machining centers.

ER11 RF collets provide a clamping range from 3 to 7 mm, with a clamping capacity of 0.1 mm, allowing precise and stable tool clamping along the entire length of the tool shank. The system is designed to work with tools whose shank diameter corresponds to the nominal diameter of the collet in order to guarantee optimal coolant sealing.

The system supports coolant pressure up to 25 bar, making it suitable for high-productivity machining environments where efficient cooling of the cutting zone is required.

These collets are typically used with end mills, drills, and cutting tools equipped with internal coolant channels, commonly employed in milling, drilling, and precision machining operations on CNC machining centers.

Thanks to their manufacturing precision and reliable coolant sealing capability, ER11 RF collets represent an ideal solution for industrial applications in precision engineering, automotive manufacturing, mold production, and high-accuracy component machining.