Cut Thread Fractional Bottom Tap - 9/16In -18NF - Hanson

The Hanson 1549 Cut Thread Fractional Bottom Tap is a professional-grade tool engineered for demanding hand tapping applications in automotive and industrial environments. Constructed from high carbon steel, this 9/16"-18NF bottom tap is designed to create precise 2B class threads, making it an essential component for technicians requiring reliable thread creation in blind holes or at the bottom of through-holes.

Key Features

• High Carbon Steel Construction: Provides durability and strength for sustained professional use.
• Precision Threading: Produces a consistent Class 2B thread, meeting common industry standards for accurate fastening.
• Optimal Chip Removal: Features highly polished flutes that efficiently guide chips away from the cutting area, reducing clogging and improving tap life.
• Bottoming Style: Specifically designed to cut threads to the bottom of blind holes, maximizing usable thread length.
• Made in USA: Manufactured in the United States, ensuring quality craftsmanship and consistent performance.
• Four Flute Design: Offers stability and efficient material removal during the tapping process.

Applications

This 9/16"-18NF bottom tap is ideal for a variety of tasks where new internal threads need to be cut or existing threads require cleaning and restoration. Common applications include creating threads in engine blocks, transmission cases, machinery components, and other equipment where a 9/16"-18NF thread is specified. Its bottoming design is particularly useful when working in confined spaces or blind holes where full thread depth is critical.

Specifications

• Manufacturer: Hanson
• Model Number: 1549
• Thread Size: 9/16"-18NF
• Thread Class: 2B
• Number of Flutes: 4