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TAP TAPER 1/8" -27 NPT HCS - Irwin

Part #: 1902ZR

The Irwin 1902ZR TAP TAPER 1/8" -27 NPT HCS is a professional-grade pipe tap designed for creating precise, leak-tight National Pipe Taper (NPT) threads. Engineered from high carbon steel, this tap delivers consistent performance and durability for demanding automotive and industrial applications. It is an essential tool for technicians requiring reliable thread cutting and repair.

Key Features

  • 1/8" -27 NPT Threading: Specifically designed to cut standard 1/8-inch, 27 threads per inch National Pipe Taper threads, ensuring compatibility with common pipe fittings and components.
  • High Carbon Steel Construction: Manufactured from high carbon steel (HCS) for increased strength, wear resistance, and extended tool life under rigorous use.
  • Tapered Design: The inherent taper of the NPT design allows for a secure, fluid-tight seal without the need for additional sealants in many applications.
  • Precision Thread Cutting: Engineered for clean and accurate thread formation, minimizing rework and ensuring reliable connections.
  • Irwin Professional Quality: Backed by Irwin's reputation for manufacturing robust and dependable tools for professional mechanics and industrial users.

Applications

This Irwin pipe tap is indispensable for a wide range of tasks where NPT threads are required or need repair. Common applications include:

  • Automotive Repair: Creating or repairing pipe threads in engine blocks, transmission cases, oil pans, brake systems, fuel lines, and cooling systems.
  • Industrial Maintenance: Ideal for plumbing and pipe fitting in hydraulic and pneumatic systems, machinery repair, and general manufacturing.
  • HVAC Systems: Used for threading connections in heating, ventilation, and air conditioning installations.
  • General Fabrication: Suitable for creating new threaded ports in various metal materials for sensor installation, fluid transfer, or pressure gauges.
Only 3 left in stock - order soon

$9.70

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  • Model: 444475
  • Shipping Weight: 0.06lbs
  • UPC: 425260190290
  • Manufacturers Part #: 1902ZR
  • Manufactured by: Irwin
  • Also Known As: HN1902ZR, AHN-1902ZR, HA1902ZR

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

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