Precision threading requires quality tools, and this Hertel 1-1/8-7 UNC Tap Set delivers professional-grade performance for demanding applications. This comprehensive 3-piece set includes bottoming, plug, and taper taps crafted from durable high-speed steel with a bright finish for enhanced visibility during operation. Each tap features 4 flutes for efficient chip evacuation and right-hand cutting action. With an overall length of 5-7/16" and thread length of 2-9/16", these taps provide excellent reach and threading capacity. Engineered to meet 2B and 3B class of fit specifications, this set ensures accurate and consistent thread formation. Ideal for industrial applications requiring large-diameter threading, this Hertel tap set combines durability with precision to handle your most demanding metalworking projects.