The Hertel Straight Flute Tap is a precision threading tool designed for creating 1-1/2-12 UNF threads with exceptional accuracy. Featuring 6 flutes with a plug chamfer design, this tap delivers superior chip evacuation and cutting performance. Manufactured from high-quality high-speed steel with a bright/uncoated finish, it offers excellent durability and wear resistance for demanding applications. The 3B class of fit ensures precise thread dimensions, while the H4 designation indicates its suitability for harder materials. With a generous 6-3/8" overall length and right-hand thread direction, this tap provides ample reach for deeper threading operations. Ideal for professional machinists and industrial applications where precision threading is critical, this Hertel tap combines reliability with performance for consistent, high-quality results in various threading applications.