The Dormer B170 DIN 212 Form B machine reamer is a precise tool designed for machining metal and other materials. With a nominal diameter of 8.02 mm and an overall length of 117 mm, this reamer offers a cutting length of 33 mm and an effective working length of 75 mm. The slight left-hand spiral and cylindrical shank enable efficient machining and high accuracy. This reamer meets DIN 212 standards and provides a diameter tolerance of 0/+0.005 mm, making it ideal for producing fits within tolerances of 8F7 or 8H9. Made from HSS-E (high-speed steel), it is uncoated and suitable for machining carbon steel, steel alloys, cast iron, aluminum, as well as copper and its alloys. The combination of high-quality materials and precise manufacturing makes this reamer an essential tool for professionals in metalworking.

• Slight left-hand spiral for improved machining efficiency
• Neck relief to facilitate chip removal
• Meets DIN 212 standards for high precision
• Suitable for a variety of materials, including aluminum and copper
• Made from high-quality HSS-E for durability and performance.