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TAP BOTTOM 6-32 NC - Irwin

Part #: HN1218ZR

Introducing the Irwin TAP BOTTOM 6-32 NC (Model HN1218ZR), a professional-grade threading tool designed for precision and durability in demanding automotive and industrial applications. Manufactured by Irwin Hanson, this high-carbon steel tap is engineered to create clean, accurate 6-32 National Coarse threads, ensuring reliable fastener fit for critical components. Its specialized bottoming design makes it indispensable for threading blind holes to their maximum depth.

Key Features

  • Precision 6-32 NC Threading: Designed to cut accurate 6-32 National Coarse threads with a 2B thread class, providing a standard fit for machine screws.
  • Bottoming Tap Design: Features a short chamfer (1-2 threads) that allows for threading close to the bottom of blind holes, maximizing thread engagement where full depth is required.
  • High Carbon Steel Construction: Crafted from high carbon steel for superior hardness, wear resistance, and long-lasting performance in various materials.
  • Efficient Chip Removal: Straight flutes are engineered to facilitate rapid chip evacuation, contributing to cleaner threads and reduced binding during the tapping process.
  • Right-Hand Cut: Optimized for standard clockwise operation, providing intuitive use for manual threading applications.
  • Irwin Hanson Quality: Backed by over a century of expertise from Irwin Hanson, a name synonymous with dependable threading tools for professionals.

Applications

The Irwin TAP BOTTOM 6-32 NC is a versatile tool essential for professional technicians and mechanics across numerous fields. It excels in creating new threads or repairing damaged ones in mild steel, brass, aluminum, and other soft to medium-hard metals. Common applications include intricate tasks in electronics assembly, aerospace component fabrication, and instrumentation. In automotive settings, it is ideal for small engine repair, mounting delicate brackets, and addressing various fastening challenges. Industrial maintenance professionals will find it invaluable for machinery repair, fixture creation, and general rethreading tasks where precise 6-32 NC threads are required.

Only 4 left in stock - order soon

$6.77

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  • Irwin
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    Irwin Homepage
  • Model: 443090
  • Shipping Weight: 0.08lbs
  • UPC: 425260121812
  • Manufacturers Part #: HN1218ZR
  • Manufactured by: Irwin
  • Also Known As: HN1218ZR

This product was added to our catalog on Saturday 30 May, 2026.

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