Hand STI Tap: #4-40 UNC, H1, 3 Flutes, Bottoming Chamfer MPN:6004600

The Hand STI Tap: #4-40 UNC, H1, 3 Flutes, Bottoming Chamfer is a thread-forming tap that creates coarse UNC threads for materials like aluminum, brass or copper. It features three flutes for quick chip evacuation and bottoming chamfer that provides easy entry. Its ideal application includes electronic devices assembly or auto repair tasks where delicate nonferrous materials are processed.