The Hertel Straight Flute Tap is a precision threading tool designed for creating internal threads with a 1-3/8-8 UNS specification. Featuring 4 flutes with a plug chamfer, this high-quality tap is crafted from durable high-speed steel with a bright, uncoated finish for optimal performance. With a generous 3-inch thread length and 6-1/16-inch overall length, this right-hand tap provides excellent reach for deeper threading applications. The straight flute design efficiently channels chips away from the cutting edge, making it ideal for through-hole applications in various materials. Manufactured by MSC Industrial under the trusted Hertel brand, this hand tap delivers consistent, accurate threads with professional results. Perfect for maintenance shops, manufacturing facilities, and precision machining operations where reliable threading tools are essential.