The Hertel Straight Flute Tap is a precision threading tool designed for creating M30x3.5 metric coarse threads. 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. The tap offers a generous 2-9/16" thread length and measures 5-7/16" in overall length, providing excellent reach for deeper threading applications. The straight flute design ensures efficient chip evacuation when working with various materials. This hand tap is manufactured by MSC Industrial under the trusted Hertel brand (part number 020556AS), making it an ideal choice for professional machinists and industrial applications requiring precise metric threading. Perfect for maintenance shops, manufacturing facilities, and any operation requiring reliable thread-cutting capabilities.