The Dormer B901 BS 328 H7 Form B machine reamer is a high-precision tool specifically designed for machining holes with an H7 tolerance. With a nominal diameter of 7 mm and an overall length of 107 mm, this reamer features a cutting length of 54 mm, making it suitable for various materials. The reamer is made from HSS-E (high-speed steel) and has a bright steam-hardened surface that ensures improved durability and performance. The slight left-hand spiral and cylindrical shank allow for efficient chip removal and precise machining. This tool is ideal for machining carbon steel, steel alloys, cast iron, as well as aluminum and copper alloys. The machine reamer meets BS 328 standards, making it a reliable choice for professional applications.

• High-precision machining according to BS 328 standard for H7 tolerance
• Made from HSS-E with a bright steam-hardened surface
• Slight left-hand spiral for efficient chip removal
• Suitable for a variety of materials, including steel and aluminum.