WALTER TECHNOLOGIES C54789

The 1003 5/8 inch - 18 Bottoming Chamfer General Purpose Hand Tap with UNC thread, 1.81 inch length of thread, 4 number of flutes, H3 pitch dia limits, 1 standard pack. Bottoming, high speed steel, machine screw, blind hole, bright finish. The most commonly used tool material for general purpose drilling. Suitable for most materials, including low to medium strength steels, aluminum and other non-ferrous materials, as well as wood and plastic. Bright finish, no finish or coating, just smooth polished for increased chip flow. For use on soft metals, aluminum, plastic and wood.