The Hertel Straight Flute Tap is a precision threading tool designed for creating 3/4-16 UNF (Unified National Fine) threads. Featuring 4 straight flutes and a plug chamfer design, this tap delivers consistent and accurate threading performance. Crafted from high-speed steel with a bright/uncoated finish, it offers excellent durability and cutting capability for various materials. The tap has a 4-1/4" overall length and is designed with a right-hand thread direction. Its 3B class of fit ensures standard tolerance threading suitable for general-purpose applications. This H3 series tap from Hertel combines quality construction with reliable performance, making it an essential tool for machinists and manufacturing professionals working with precision threading operations. The straight flute design provides effective chip evacuation when working with through holes, helping to maintain threading quality and extend tool life.