The .4010" diameter reamer is a precision cutting tool widely used in various machining industries, notably in the production of holes to exact diameters. This specific reamer is 7-3/4" long, making it suitable for deep hole applications. Historically, reamers have been essential in the metalworking field since the 19th century, evolving with advancements in materials and manufacturing techniques. They serve to refine holes that have been drilled, ensuring a smooth finish and accurate dimensions. This tool is primarily employed in industries such as automotive, aerospace, and heavy machinery where precise fitting of components is critical. It is often utilized for preparing holes for inserts, bolts, or dowels, enhancing the accuracy of assembly. Unique features of this reamer include its tailored diameter which allows for specific fits, as well as its length, which provides versatility in reaching deeper holes without the need for additional extensions. The unbranded nature of the product indicates that it may be sourced from various manufacturers, offering potential cost benefits while maintaining essential functionality in machining operations.

Diameter: 0.4010 inches Length: 7-3/4 inches Material: High-speed steel (commonly used for reamers) Type: Straight fluted reamer