Square-Nose Single End Mills for Use on Ferrous & Non-Ferrous Workpieces. Rushmore USA presents these micro grain solid carbide single end mills for peripheral machining, ramping, slotting, plunging and helical cutting. Solid carbide construction is suitable for machining at high speeds. These straight shank single-end mills are offered with a two-flute spiral design with a lower 30-degree helix angle. It goes on to improve machining stability at high speeds. The center-cutting design has cutting teeth at the end of the tool, thus fed into the workpiece like a drill bit. The tool offers a right-hand (clockwise) cutting direction. The overall tool length come in 7 different sizes of 1-1/4 inches to 4 inches. Shank diameter tolerance is -0.0000 inch to -0.0005 inch. The tool is available in 20 different sizes ranging from 1/32 inch to 3/4 inch. Travers Tools offers a wide range of Rushmore USA Tools that undergo a strict quality check before they are listed on the product catalog. This USA Made brand offers quality affordable American-made tooling with the superior speed and feed that your applications require. Rushmore's end mills are perfect for all aerospace, medical, automotive, or production machining solutions.