The Hertel Spiral Point Tap is a precision threading tool designed for creating 7/8-9 UNC threads with exceptional accuracy. Featuring 3 flutes and a plug chamfer, this right-hand tap delivers consistent performance in demanding applications. Constructed from high-speed steel (HSS) with a durable TiN coating, it offers enhanced wear resistance and extended tool life. The 3B class of fit ensures optimal thread engagement, while the H4 designation indicates its superior cutting capabilities. With an overall length of 4-11/16", this spiral point design efficiently pushes chips forward, making it ideal for through-hole applications. Manufactured by MSC Industrial under the trusted Hertel brand, this professional-grade tap (Part #013033AS25) is an essential addition to any machinist's toolbox for creating precise internal threads in various materials.