The Hertel Straight Flute Tap is a precision threading tool engineered for creating #1-72 UNF threads with exceptional accuracy. This 2-flute tap features a plug chamfer design that works effectively in both through and blind holes, ensuring optimal thread engagement. Constructed from high-quality high-speed steel with a bright/uncoated finish, this tap delivers superior cutting performance and durability across various materials. With its compact dimensions of 1-11/16" overall length and 3/8" thread length, this tap excels in confined spaces while maintaining threading precision. The 2B class of fit provides standard clearance perfect for general-purpose fastening applications. This straight flute design facilitates efficient chip evacuation for clean thread formation, making it an essential tool for machinists, toolmakers, and maintenance professionals working on precision mechanical applications requiring small-diameter threading capabilities.