The Hy-Pro Aero-F 1101517405 is a 4-Flute spiral point tap 9/16"-18 UNF H8 4S/P plug tiN. It performs precision material removal or workholding on a lathe, mill, or drill press as part of a metalworking operation. Key specifications noted on this listing include 9/16"-18. It is commonly used in machine shops and precision metalworking operations.
