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1/4X20NC RTHRD UNC-2A NATL CRS THRDS - Kastar

Part #: 50-2600

The Kastar 50-2600 1/4X20NC RTHRD UNC-2A National Coarse Rethreading Tap is an essential tool for professional technicians and mechanics, designed to precisely restore damaged or corroded internal threads. This specialized rethreading tap ensures the integrity of fasteners and components, preventing costly replacements and maintaining optimal performance in automotive and industrial applications.

Key Features

  • Precision Thread Restoration: Engineered to meticulously clean and re-cut 1/4"-20 National Coarse (UNC) right-hand threads, ensuring accurate and strong fastener engagement.
  • Professional-Grade Durability: Constructed for longevity and repeated use in demanding workshop environments, resisting wear and maintaining cutting edge sharpness.
  • Optimal Thread Fit: Adheres to the UNC-2A thread fit standard, providing a reliable and proper fit for external fasteners.
  • Versatile Application: Ideal for repairing threads in a wide array of materials, including steel, aluminum, and cast iron.

Applications

This rethreading tap is indispensable for maintaining critical threaded connections across various professional settings. It is commonly used in automotive workshops for repairing damaged bolt holes in engine blocks, chassis components, suspension systems, and exhaust manifolds. In industrial environments, the Kastar 50-2600 is vital for maintenance on machinery, equipment assemblies, and structural components where 1/4"-20 UNC threads require restoration due to cross-threading, rust, or general wear.

Specifications

  • Manufacturer: Kastar
  • Model Number: 50-2600
  • Thread Size: 1/4"-20 UNC (National Coarse)
  • Thread Type: Right-Hand Thread (RTHRD)
  • Thread Class: UNC-2A
Only 2 left in stock - order soon

$3.02

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  • Model: 444788
  • Shipping Weight: 0.04lbs
  • Manufacturers Part #: 50-2600
  • Manufactured by: Kastar
  • Also Known As: KH50-2600

This product was added to our catalog on Sunday 31 May, 2026.

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