The Hertel Straight Flute Tap is a precision threading tool engineered for creating 7/8-9 UNC threads with exceptional accuracy. This professional-grade tap features 4 straight flutes with a taper chamfer design that delivers smooth cutting action and superior chip evacuation. Constructed from high-quality high-speed steel with a bright/uncoated finish, it provides outstanding durability and consistent performance in demanding applications. At 4-11/16" overall length, this tap offers excellent maneuverability while maintaining structural integrity. The 3B class of fit ensures precise thread formation, while the right-hand design makes it compatible with standard threading requirements. The H4 designation guarantees reliable cutting performance across various materials. Ideal for maintenance professionals, machinists, and industrial applications, this straight flute tap combines stability and control during operation, making it suitable for both manual and machine tapping processes. Whether you're working on maintenance projects or production applications, this Hertel tap delivers the precision and reliability needed for professional threading tasks.