HSS Ground Thread LH Fractional Plug Tap - 3/8-24 - Hanson

The Hanson 2136 HSS Ground Thread LH Fractional Plug Tap is engineered for professional technicians and machinists requiring precision left-hand threading. This high-speed steel tap is designed to create or repair 3/8"-24 National Fine (NF) left-hand threads, crucial for applications where standard right-hand rotation is unsuitable. Its robust construction ensures clean, accurate threads, making it an indispensable tool for specialized repair and fabrication tasks.

Key Features

• High-Speed Steel (HSS) Construction: Manufactured from premium HSS for superior hardness, heat resistance, and extended tool life, even in demanding materials.
• Precision Ground Threads: Expertly ground threads ensure exceptional accuracy and a smooth cutting action, producing high-quality threads with consistent pitch diameter limits (H3).
• Left-Hand (LH) Rotation: Specifically designed to cut threads with a left-hand rotation, accommodating specialized fasteners and studs found in specific automotive and industrial assemblies.
• 3/8"-24 NF Fractional Size: Provides the exact dimensions for common 3/8-inch, 24 threads per inch, National Fine left-hand applications.
• Plug Tap Design: Features a tapered cutting edge suitable for threading through-holes or shallow blind holes, offering versatility in various professional environments.
• Four Flutes: Optimally designed with four flutes to facilitate efficient chip evacuation, reducing clogging and ensuring smoother tapping operations.

Applications

This professional-grade left-hand tap is essential for addressing unique threading requirements across automotive, marine, and industrial sectors. It is commonly used for repairing damaged left-hand threads on components such as certain lug nuts, specific engine fasteners, bicycle pedals, and machinery parts that operate in a reverse rotation. Ideal for mechanics, industrial maintenance technicians, and machinists who frequently encounter specialized left-hand threaded assemblies.

Specifications

• Manufacturer: Hanson
• Model Number: 2136
• Size: 3/8"-24 NF
• Thread Type: Left-Hand (LH) Fractional Plug Tap
• Material: High-Speed Steel (HSS)
• Number of Flutes: 4
• Pitch Diameter Limits: H3