The Hertel Spiral Point Tap is a precision threading tool designed for creating 1-8 UNC threads with exceptional accuracy. Featuring 3 flutes and a plug chamfer, this high-speed steel tap delivers consistent performance in demanding applications. The bright/uncoated finish provides excellent visibility during operation, while the right-hand thread configuration meets industry standards. With a 3B class of fit and an overall length of 5-1/8", this H4 tap offers the perfect balance of durability and cutting efficiency. Manufactured by MSC Industrial under the trusted Hertel brand, this spiral point design helps push chips forward, making it ideal for through holes. The part number 013191AS ensures you're getting the exact specification required for your threading needs. This professional-grade tap is an essential addition to any machinist's toolbox, providing reliable performance for industrial applications.