Irwin 1921ZR 6PC Right Hand Tap Set

The Irwin Hanson 1921ZR 6PC NPT Taper Tap Set, manufactured by the renowned manufacturer Stanley Black & Decker under the Irwin® and Hanson® sub-brands, is an essential toolset for professionals in the plumbing, metalworking, and construction industries. This set is specifically designed to cut precise internal threads in pipes, ensuring a seamless fit for pipe fittings.

Irwin 1921ZR 6PC Right Hand Tap Set At a Glance

• Comprehensive Size Range: The set includes one taper tap each for sizes 1/8″ – 27 NPT, 1/4″ – 18 NPT, 3/8″ – 18 NPT, 1/2″ – 14 NPT, 3/4″ – 14 NPT, and 1″ – 11-1/2 NPT, covering a broad range of applications from small to large pipe fittings.
• Material and Construction: Made from high-quality high carbon steel, these taps offer exceptional durability and resistance to wear. The bright finish not only adds to the tool’s aesthetic appeal but also provides an additional layer of rust resistance.
• Cutting Efficiency: Designed for right-hand cutting, these taps feature a combination of 4 and 5 flutes, allowing for efficient chip removal and smooth cutting action. The bottoming, plug, and taper chamfer options further enhance their versatility, making them suitable for various threading requirements.
• Taper Rate: The taps are tapered at a consistent rate of 3/4″ per foot, ensuring accurate threading that matches the nominal size of the pipe fittings they are designed to work with.
• Packaging and Presentation: This 6-piece set is thoughtfully packaged in a durable wooden case, offering both protection and a professional presentation. The case dimensions are 36.32 x 25.4 x 5.84 cm, with a total weight of 680.39 grams, making it convenient for both storage and transportation.
• Measurement System: Adhering to the Imperial measurement system, this set is tailored for compatibility with standard pipe sizes in North America.

• Cuts internal threads in pipes. Ideal for pipe fittings.
• Nominal size of the tap is that of the pipe fitting being tapped
• Available in National Pipe Taper (NPT) and British Standard Pipe Taper (BSP)
• Tapered at a rate of 3/4-Inch per foot
• Includes one taper tap each of: 1/8″ – 27 npt, 1/4″ – 18 npt, 3/8″ – 18 npt, 1/2″ – 14 npt, 3/4″ – 14 npt, and 1″ – 11-1/2 npt. Made in the USA.
• ‎36.32 x 25.4 x 5.84 cm; 680.39 Grams

Applications: Ideal for professionals working in plumbing, HVAC installations, and general construction, the Irwin Hanson 1921ZR Tap Set is also invaluable for maintenance departments, fabrication shops, and anyone involved in the assembly or repair of pipe systems. Whether you’re tapping new threads or chasing damaged ones, this set ensures precision and reliability.

Irwin 1921ZR 6PC Right Hand Tap Set Specifications

• Brand: Irwin®
• Sub Brand: Hanson®
• Chamfer: Bottoming/Plug/Taper
• Cutting Direction: Right Hand
• Finish/Coating: Bright
• Manufacturer: Stanley Black & Decker
• Material: HighCarbon Steel
• Measurement System: Imperial
• Number of Flutes: 4, 5
• Number of Pieces: 6
• Package Type: Wooden Case
• Size: 1/8-27 to 1-11-1/2
• Thread Size: 1 – 11-1/2, 1/2 – 14, 1/8 – 27, 1/4 – 18, 3/4 – 14, 3/8 – 18
• Thread Standard: NPT