Cut Thread Fractional Bottom Tap - 5/16In -24NC - Hanson

The Hanson 1529 Cut Thread Fractional Bottom Tap is a professional-grade tool designed for precision threading in demanding automotive and industrial applications. Constructed from high carbon steel, this 5/16"-24NC (National Coarse) bottom tap is engineered for exceptional durability and reliable performance in hand tapping operations. It is specifically designed to create threads that extend deep into blind holes, making it an essential tool for repair and fabrication work.

Key Features

• High Carbon Steel Construction: Manufactured from high carbon steel, this tap offers a robust balance of hardness and toughness, ensuring longevity and reliable performance in tough hand tapping applications.
• Precision 5/16"-24NC Thread: Designed to cut 5/16-inch diameter threads with 24 threads per inch (TPI) in the National Coarse (NC) standard.
• Bottoming Style Design: Features 1 to 1-1/2 chamfered threads, specifically engineered for cutting full threads to the bottom of blind holes after initial threads have been started.
• Class 2B Thread Production: Produces a Class 2B thread, adhering to industry standards for general-purpose applications and ensuring a secure, consistent, and reliable fit for fasteners.
• Polished Straight Flutes: The highly polished straight flutes facilitate rapid chip removal, preventing clogging and promoting smoother, more efficient threading with less effort.
• Made in USA: This Hanson tap is proudly manufactured in the USA, ensuring consistent quality and craftsmanship.

Applications

This versatile 5/16"-24NC bottom tap is ideal for a wide range of professional applications. It is commonly used for rethreading damaged holes or creating new threads in various materials within maintenance, repair, and general-purpose threading tasks. Its bottoming design makes it particularly effective for thread repair and restoration, especially in blind holes found in automotive, industrial, agri-motive, and machine shop environments. It is also an excellent choice for use with Helicoil inserts for robust thread repair solutions.