The Dormer H851 HSS 12 drill exchange head holder with internal cooling is a highly advanced tool designed for precise drilling in various materials. Featuring a cylindrical shank and flange, this drill body provides a reliable connection to exchange heads, allowing for high flexibility and efficiency in machining. With an overall length of 275 mm and a cutting length of 204 mm, it is optimal for applications requiring a depth of up to 12xD. The drill exchange head holder is coated with bright nickel plating, which not only extends the tool's lifespan but also reduces friction during the drilling process. The internal cooling ensures effective heat dissipation, enhancing performance and precision during operation. This drill exchange head holder is ideal for professionals who value quality and efficiency.

• Nominal diameter tolerance: h6 for precise drilling
• Optimal cutting direction: Right for improved performance
• Suitable for HYDRA P, M, and K exchange heads
• Made from high-quality HSS steel for durability
• Surface treatment with bright nickel plating to reduce friction.