The Hertel Spiral Point Tap is a precision threading tool designed for creating 3/8-24 UNF (Unified National Fine) threads with exceptional accuracy. Featuring 3 flutes and a plug chamfer design, this tap efficiently channels chips forward while cutting, making it ideal for through-hole applications. Crafted from high-speed steel (HSS) with a bright/uncoated finish, it delivers reliable performance across various materials. The 3B class of fit ensures precise thread tolerances for critical applications. This right-hand thread tap has an overall length of 2-15/16" and is designated as H3 for optimal cutting characteristics. Manufactured by MSC Industrial under the trusted Hertel brand, this professional-grade threading tool (part #008467AS) is an essential addition to any machinist's toolkit for creating consistent, high-quality internal threads in manufacturing and repair applications.