The Hertel Straight Flute Tap is a precision threading tool designed for creating 3/4-16 UNF (Unified National Fine) threads. This bottoming tap features 4 straight flutes for efficient chip evacuation and is manufactured from high-speed steel with a bright/uncoated finish for durability. With a 3B class of fit, this tap provides standard threading precision for industrial applications. The right-hand cutting design has a bottoming chamfer that allows threading nearly to the bottom of blind holes. Measuring 4-1/4 inches in overall length, this hand tap is ideal for maintenance professionals, machinists, and manufacturing operations requiring precise thread creation. The Hertel tap is engineered to deliver consistent performance when working with various metals, making it a reliable addition to any threading toolkit.