The Hertel Straight Flute Tap is a precision threading tool designed for creating M16x2 metric coarse threads. Featuring 4 flutes with a plug chamfer design, this tap delivers excellent chip evacuation and cutting performance. Manufactured from high-speed steel with a bright/uncoated finish, it offers durability and reliability for industrial applications. The tap conforms to 6H class of fit standards, ensuring accurate thread dimensions and proper mating with corresponding fasteners. With an overall length of 3-13/16", this hand tap provides good reach and control during threading operations. The straight flute design makes it suitable for through-hole applications in various materials. This Hertel tap (part number 027781AS) is an essential tool for machinists and manufacturing professionals who require precise metric threading capabilities in their operations.