The Dormer H851 HSS 12 drill change head holder with internal cooling is a highly advanced tool designed for precise drilling in various types of metal. Featuring a cylindrical shank and flange, this drill body provides a reliable connection to interchangeable drill bits, enabling efficient machining. The internal cooling ensures that the temperature remains controlled during the drilling process, which extends the tool's lifespan and improves machining quality. The drill change head holder is suitable for holes with a diameter of up to 20 millimeters and meets the high standards of the Dormer DIN norm. With an overall length of 262.6 millimeters and a cutting length of 192 millimeters, it is ideal for applications requiring precise and deep machining. The bright nickel plating on the surface protects against corrosion and enhances the tool's durability.

• Suitable for holes up to 20 mm in diameter
• Internal cooling for temperature control during drilling
• Cylindrical shank with flange for stable connection
• Made from high-quality HSS steel
• Surface treatment with bright nickel plating for additional corrosion protection.