The Hertel Straight Flute Tap is a precision threading tool designed for creating M3x0.5 metric coarse threads. Featuring 3 flutes and a plug chamfer, this tap delivers excellent chip evacuation and cutting performance. Manufactured from high-speed steel with a durable titanium nitride finish, it offers superior hardness and extended tool life. The tap has a 5/8" thread length and 1-15/16" overall length, making it suitable for various threading applications. With a 6H class of fit and right-hand thread direction, this D3 tap ensures accurate and consistent thread formation. Ideal for professional machinists and industrial applications where precision threading is required, this Hertel tap combines quality construction with reliable performance for your metalworking projects.