HSS Ground Thread Fractional Taper Tap, 1-1/8" - 12 NF - Hanson

The Hanson 310439 HSS Ground Thread Fractional Taper Tap is engineered for professional technicians and mechanics requiring precise internal threading. This high-speed steel tap delivers superior accuracy, ensuring a consistent and reliable thread for critical automotive and industrial applications. Its robust design is built for durability and performance in demanding work environments.

Key Features

• Precision Ground Threads: Produces a tighter thread tolerance compared to cut thread taps, essential for secure fasteners and fittings.
• Advanced Pitch Diameter Tolerance: Manufactured to a strict .0005" pitch diameter tolerance, ensuring exact thread specifications.
• Optimized Flute Design: Features 4 flutes for efficient chip evacuation and smooth cutting action, enhancing tap life and performance.
• H4 Pitch Diameter Limit: Adheres to the H4 pitch diameter limit, providing an ideal fit for standard and fractional thread requirements.
• High-Speed Steel (HSS) Construction: Constructed from durable HSS for excellent wear resistance and longevity, even in challenging materials.
• Standard Fractional Size: Specifically sized at 1-1/8" - 12 NF for common threading tasks in automotive repair and industrial machinery.

Applications

This taper tap is an indispensable tool for creating new internal threads or re-threading damaged ones in a variety of materials including steel, aluminum, and cast iron. It is particularly well-suited for professional use in engine rebuilding, chassis repair, machinery maintenance, and fabrication where accurate 1-1/8" - 12 NF threads are required for components such as large bolts, studs, and specialized fittings. Its ground thread design is ideal for applications demanding high thread integrity and strength.