Dormer NC reamer B180 DIN 212 H7 B nominal Ø 6.8 mm HSS-E blank helical fluted

The NC reamer B180 DIN 212 H7 B from Dormer is a high-precision tool specifically designed for machining holes with H7 tolerance. With a diameter of 6.8 mm and an overall length of 109 mm, this reamer features a cutting length of 31 mm and an effective working depth of 69 mm. The slight left-hand spiral and cylindrical shank allow for efficient chip removal and improved machining quality. Made from high-quality HSS-E (high-speed steel), the reamer is uncoated and is ideal for machining various materials, including carbon steel, steel alloys, cast iron, as well as aluminum and copper alloys. The reamer meets the requirements of the DIN 212 standard, making it a reliable choice for precise applications in metalworking.

• Slight left-hand spiral for improved chip removal
• High-quality HSS-E material for long tool life
• Suitable for a variety of materials, including aluminum and copper alloys
• Meets DIN 212 standards for precise machining.