The Hertel Spiral Point Tap is a precision threading tool designed for creating 1/2-20 UNF (Unified National Fine) threads with exceptional accuracy. Featuring 3 flutes and a plug chamfer design, this right-hand tap delivers efficient chip evacuation and smooth cutting action. Constructed from high-speed steel (HSS) with a premium TiN (Titanium Nitride) coating, it offers enhanced durability, heat resistance, and reduced friction for longer tool life. The 3B class of fit ensures precise thread dimensions for critical applications. With an overall length of 3-3/8", this H3 tap provides excellent reach for various threading operations. Manufactured by MSC Industrial under the trusted Hertel brand, this spiral point tap (part #008537AS25) is ideal for through-hole applications where chips need to be pushed forward. Perfect for professional machinists and industrial applications requiring consistent, high-quality threads.