The Hertel Spiral Point Tap is a precision threading tool designed for creating 5/8-18 UNF (Unified National Fine) threads with exceptional accuracy. Featuring 3 flutes and a plug chamfer design, this right-hand tap delivers efficient chip evacuation and smooth cutting action. Manufactured from high-speed steel (HSS) with a bright/uncoated finish, it offers reliable performance for industrial applications. The 3B class of fit ensures precise thread engagement, while the H3 designation indicates its specific tolerance range. With an overall length of 3-13/16", this tap provides excellent reach for various threading operations. Ideal for professional machinists and manufacturing environments, this Hertel tap (Part #008578AS) combines durability with precision for consistent, high-quality thread formation in various materials. Perfect for maintenance departments, machine shops, and production facilities requiring reliable threading tools.