The Dormer Type N A022 spiral drill is a high-precision tool specifically designed for applications requiring exact drilling. With a nominal diameter of 1.4 mm and a robust HSS construction, this drill offers excellent performance and durability. The TiN tip coating, available from a diameter of 2.0 mm, provides enhanced wear resistance and a longer tool life. The drill features a point angle of 135° and a spiral angle of 25-30°, allowing for efficient chip removal and precise drilling. Its special self-centering tip geometry facilitates drilling without prior centering, simplifying handling and increasing accuracy. The cylindrical shank and right-hand cutting design make this drill versatile for use in both automatic machines and hand drills. With a drilling depth of 2.5xD, it is ideal for various applications in metalworking.

• TiN tip coating for increased wear resistance (from Ø 2.0 mm)
• Self-centering tip geometry for precise drilling without pre-centering
• High-precision tip grinding for high roundness accuracy
• Suitable for automatic machines and hand drills
• Profile ground for improved cutting properties.