The Dormer B161 DIN 208 H7 Form B machine reamer is a high-precision tool specifically designed for machining holes with an H7 tolerance. With a diameter of 45 mm and an overall length of 336 mm, this reamer provides an effective solution for various materials, including carbon steel, steel alloys, cast iron, aluminum, and copper. The light left-hand spiral and MK shank allow for easy handling and precise results. The cutting length of 83 mm and working length of 212 mm ensure optimal machining depth, while the neck relief enhances efficiency during operation. Made from HSS-E, a high-quality high-speed steel, this reamer is uncoated and is excellent for free machining.

• Light left-hand spiral for improved machining efficiency
• Neck relief to facilitate the working process
• Suitable for a variety of materials, including aluminum and copper
• Designed according to DIN 208 standard for precise H7 tolerances.