Hertel High Speed Steel Spiral Flute STI Tap, 1/4-28 UNF, 3 Flute, 52° Helix, Bottoming Chamfer, Bright Finish, 2-23/32" OAL

The Hertel 1/4-28 UNF Spiral Flute STI Tap is a precision threading tool designed for creating accurate internal threads. Featuring 3 flutes with a 52° helix angle, this bottoming chamfer tap provides excellent chip evacuation and cutting performance. Crafted from high-speed steel with a bright finish, this tap offers durability and visibility during operation. The bottoming design allows for threading nearly to the bottom of blind holes. With an overall length of 2-23/32", this tap provides good reach and control for various applications. Manufactured by MSC Industrial, this tap is ideal for professionals and hobbyists who require precise threading capabilities for UNF (Unified National Fine) thread specifications. The spiral flute design makes this tap particularly effective for threading in tough materials where chip removal is critical.

• HIGH SPEED STEEL: Hertel 1/4-28 UNF tap features high-quality HSS construction with a bright finish for durability and optimal cutting performance.
• SPIRAL FLUTE DESIGN: 3 flute configuration with 52° helix angle provides efficient chip evacuation and superior threading in various materials.
• BOTTOMING CHAMFER: Specially designed for creating threads to the bottom of blind holes, ensuring complete threading to the end of the workpiece.
• PRECISE THREADING: UNF (Unified National Fine) thread with 28 threads per inch delivers smooth, accurate cuts for precision applications.
• COMPACT SIZE: 2-23/32" overall length (OAL) makes this tap ideal for use in confined spaces while maintaining excellent cutting capability.