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TAP BOTTOM 3/4" -10 NC - Irwin

Part #: HN1558ZR

The Irwin HN1558ZR 3/4" -10 NC Bottoming Tap is a professional-grade tool designed for creating precise, full-depth threads in blind holes. Manufactured by Irwin, a trusted name in automotive and industrial tooling, this tap ensures accurate 3/4" -10 National Coarse threads, essential for robust and reliable fastening in critical applications. It is an indispensable component for any professional technician or mechanic's toolkit.

Key Features

  • Bottoming Design: Engineered with a very short taper, this tap effectively cuts threads to the absolute bottom of blind holes, maximizing thread engagement and fastener security.
  • Precision Threading: Delivers accurate 3/4" -10 NC threads, ensuring compatibility with standard National Coarse fasteners and preventing cross-threading.
  • Durable Construction: Crafted from high-quality materials by Irwin, this tap is built for longevity and consistent performance under demanding professional use.
  • Efficient Chip Management: Designed to facilitate effective chip evacuation, minimizing clogging and improving tapping efficiency, particularly in blind hole applications.
  • Versatile Material Compatibility: Suitable for threading a wide range of materials commonly encountered in automotive repair, heavy machinery maintenance, and industrial fabrication.

Applications

This 3/4" -10 NC bottoming tap is invaluable for tasks requiring full thread depth in confined spaces. Typical applications include repairing stripped or damaged threads in engine blocks, transmission cases, machinery frames, and other critical components where maximum thread engagement is necessary. It is also ideal for creating new threads for mounting larger fasteners in various automotive, marine, agricultural, and general industrial maintenance and repair scenarios.

Only 1 left in stock - order soon

$23.69

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  • Model: 443092
  • Shipping Weight: 0.3lbs
  • UPC: 425260155886
  • Manufacturers Part #: HN1558ZR
  • Manufactured by: Irwin
  • Also Known As: HN1558ZR

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

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