The NC reamer B481 DIN 8093 B with a nominal diameter of 3.99 mm is a precise tool designed for machining metal and other materials. It features a strongly unevenly divided, light left-hand spiral and a cylindrical shank that allows for easy handling. With an overall length of 75 mm and a cutting length of 19 mm, it offers an effective working length of 47 mm, complemented by a neck relief. This reamer meets DIN 8093 standards and provides a diameter tolerance of 0/+0.004 mm, making it ideal for producing fits within the tolerances of 4N7, 4N8, or 4N9. The solid carbide head is uncoated and suitable for machining various materials, including carbon steel, steel alloys, tool steel, cast iron, and aluminum. This reamer is an essential tool for precise machining tasks in metalworking.

• Strongly unevenly divided, light left-hand spiral for improved machining efficiency
• Neck relief allows for deeper machining without material buildup
• Meets DIN 8093 standards for high precision and quality
• Solid carbide head for versatile applications across different types of metal
• Suitable for producing fits within tight tolerances.