The Dormer B161 DIN 208 H7 Form B machine reamer is a high-precision tool specifically designed for machining holes with H7 tolerance. With a nominal diameter of 18 mm and an overall length of 219 mm, this reamer features a cutting length of 56 mm and an effective working length of 139 mm. The slight left-hand spiral and MK shank allow for efficient machining of various materials, including carbon steel, steel alloys, cast iron, as well as aluminum and copper alloys. The uncoated HSSE-Co version ensures high tool life and reliability during use. This machine reamer is an essential tool for professionals who aim to achieve precise and clean results in metalworking.

• Slight left-hand spiral for improved chip removal
• Neck relief to prevent clogging
• Suitable for a variety of materials, including aluminum and copper alloys
• Designed according to DIN 208 standard for precise H7 tolerances.