The Hertel Straight Flute Tap is a precision threading tool designed for creating internal threads with a 1-1/2-8 UNS thread specification. Featuring 4 flutes in a straight configuration, this bottoming chamfer tap is crafted from high-quality high-speed steel with a bright/uncoated finish for durability and performance. With a generous 3" thread length and 6-3/8" overall length, this right-hand tap provides excellent reach for deeper threading applications. The bottoming design allows for threading closer to the bottom of blind holes, maximizing usable thread depth. This professional-grade tap includes through coolant capability to improve chip evacuation and extend tool life during operation. Manufactured by MSC Industrial under the trusted Hertel brand, this tap is ideal for industrial applications requiring precise UNS threading.