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TAP PLUG 12MM - 1.75 HCS - Irwin

Part #: 1744ZR

The Irwin 1744ZR TAP PLUG 12MM - 1.75 HCS is a precision-engineered threading tool designed for professional automotive and industrial applications. This high-carbon steel plug tap delivers reliable performance for creating or rethreading M12x1.75 metric threads in a variety of materials. Its durable construction ensures consistent results and extended tool life in demanding workshop environments.

Key Features

  • Metric M12x1.75 Threading: Precisely engineered for cutting and restoring M12x1.75 metric threads, essential for specific vehicle and machinery components.
  • High Carbon Steel (HCS) Construction: Manufactured from high carbon steel, providing excellent hardness, strength, and abrasion resistance for durability and consistent performance.
  • Plug Chamfer: Features a 3 to 5 thread chamfer, making it ideal for general-purpose threading in through-holes and blind holes where chip clearance is sufficient.
  • Straight Flute Design: Straight flutes are designed for efficient chip removal, promoting smoother threading operations in various materials.
  • Right-Hand Cut: Designed for right-hand cutting applications, a common standard for many threading tasks.
  • Laser-Etched Identification: Tap size and recommended drill bit size are laser-etched on the tool for quick and easy identification, enhancing workflow efficiency.

Applications

This Irwin plug tap is an indispensable tool for professional technicians and mechanics working on auto repair and machinery where metric threads are specified. It is particularly effective for threading in softer materials such as soft steels, cast iron, copper, magnesium, and alloy steels with a hardness below 32Rc. Ideal for routine maintenance, repair work, and rethreading operations, it ensures precise and clean threads for secure fastenings and component integrity.

Specifications

  • Manufacturer: Irwin
  • Model Number: 1744ZR
  • Thread Size: M12-1.75mm
  • Material: High Carbon Steel (HCS)
  • Tap Style: Plug Tap
  • Hand of Cut: Right Hand
  • Number of Flutes: 4
  • Overall Length: 86 mm
  • Shank Diameter: 9.3 mm
Only 5 left in stock - order soon

$14.22

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 443093
  • Shipping Weight: 0.09lbs
  • UPC: 425260174450
  • Manufacturers Part #: 1744ZR
  • Manufactured by: Irwin
  • Also Known As: HN1744ZR, HA1744ZR

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

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