The COL R8 (20) 5/16 BISON is a high-quality collet designed for precision machining. This collet features a 5/16 inch diameter and is compatible with R8 spindle systems, making it ideal for milling applications. Constructed from durable materials, it ensures longevity and reliable performance. The collet's design allows for easy tool changes and secure gripping of tools, enhancing productivity in your workshop. With a focus on precision, this collet meets industry standards for quality and performance, making it a trusted choice for professionals.