The .4375 x .3210 x 8-3/4" Long Reamer is a precision cutting tool designed for the manufacturing and machining industries. This reamer is primarily used for enlarging existing holes to achieve specific diameters and improve surface finish. Its unique size combination allows for versatility in various machining applications, ensuring accurate results in metalworking, woodworking, and composite materials. Historically, reamers have been fundamental to engineering and manufacturing, serving to refine the accuracy of drilled holes. This specific reamer dimensions indicate a highly specialized tool capable of creating smooth and precise holes that meet stringent tolerances. It is especially useful for applications where a high degree of accuracy is necessary, such as in aerospace components, automotive parts, and intricate machinery assembly. The tool is typically made from high-speed steel or carbide, providing durability and the ability to withstand high cutting speeds. Its design ensures that it can be used efficiently in hand drills and machine lathes, catering to both manual and automated manufacturing environments. This reamer is unbranded, emphasizing its practical use over brand recognition, making it a cost-effective solution for professionals and hobbyists alike. With a length of 8-3/4 inches, it is suitable for deep hole reaming, enabling access to hard-to-reach areas without compromising the tool's structural integrity. Overall, this reamer serves as a crucial tool for machinists and engineers aiming to enhance productivity and achieve high precision in their work.

Diameter: 0.4375 inches Secondary Diameter: 0.3210 inches Length: 8-3/4 inches Material: High-speed steel or carbide (specific material not provided) Type: Unbranded precision reamer