The machine reamer B170 DIN 212 Form B with a nominal diameter of 6.99 mm is a precise tool designed for metalworking. Made from high-quality HSS-E (high-speed steel), this reamer offers excellent performance and durability. It features a slight left spiral and a cylindrical shank, which allow for efficient chip removal and improved machining quality. The reamer meets DIN 212 standards and has a diameter tolerance of 0/+0.005 mm, making it ideal for producing fits in tolerance class 7M8. With a working length of 69 mm and an overall length of 109 mm, it is versatile and suitable for various materials, including carbon steel, steel alloys, cast iron, aluminum, and copper alloys. This reamer is uncoated, providing high flexibility in machining.

• Slight left spiral for improved chip removal
• Cylindrical shank for easy handling
• Diameter tolerance of 0/+0.005 mm for precise fits
• Suitable for a variety of materials, including aluminum and copper alloys
• High-speed steel (HSS-E) for high performance and durability.