Why do so many professionals choose RIDGID tools? The answer is simple…trust. Millions of RIDGID tools go to work every day in plants, on construction sites, and in countless other harsh environments. These tools operat...

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Why do so many professionals choose RIDGID tools? The answer is simple…trust. Millions of RIDGID tools go to work every day in plants, on construction sites, and in countless other harsh environments. These tools operate in extremes of heat and cold, withstand dirt and mud, and perform reliably day in and day out. RIDGID tools are known the world over as industry-leading products that allow professionals like you to complete jobs more quickly and reliably.

RIDGID 47770 includes: High-Speed R.H. NPT dies for universal pipe threading machine Die Head Nos. 504A, 711, 713, 811A, 815A, 816, 817 and 842. Die has a capacity of 1 to 2-inches.

RIDGID pipe dies deliver superior threading performance and capabilities, featuring durable construction to provide long service life and dependable performance.

RIDGID covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool.

Since 1923, RIDGID has remained the symbol of certainty to dedicated professionals of the expert trades. Every tool that bears the RIDGID brand is engineered to the same high standards of quality, strength, and endurance, as was that first heavy-duty pipe wrench more than 80 years ago.



  • SET OF 4 PIPE THREADER DIES: These dies are perfect for threading pipes ranging from 1 inch to 2 inches, making them suitable for a variety of plumbing and industrial applications
  • COMPATIBILITY: Compatible with RIDGID universal die heads such as models 504A, 711, 713, 811A, 815A, 816, 817, and 842​; broad compatibility allows professionals to use with various threading machines
  • VERSATILE: With a right-handed threading specification of 11-1/2 threads per inch (TPI), ensuring precise and consistent thread profiles, suitable for a variety of pipe threading tasks and applications
  • HIGH-SPEED STEEL CONSTRUCTION: Made from high-speed steel, designed to endure the demands of professional threading tasks, providing exceptional durability and a longer service life
  • USER-FRIENDLY DESIGN: Engineered for accuracy to deliver clean and precise threads for secure connection, while their easy installation with multiple RIDGID die heads enhances efficiency and usability
  • SET OF 4 PIPE THREADER DIES: These dies are perfect for threading pipes ranging from 1 inch to 2 inches, making them suitable for a variety of plumbing and industrial applications
  • COMPATIBILITY: Compatible with RIDGID universal die heads such as models 504A, 711, 713, 811A, 815A, 816, 817, and 842​; broad compatibility allows professionals to use with various threading machines
  • VERSATILE: With a right-handed threading specification of 11-1/2 threads per inch (TPI), ensuring precise and consistent thread profiles, suitable for a variety of pipe threading tasks and applications
  • HIGH-SPEED STEEL CONSTRUCTION: Made from high-speed steel, designed to endure the demands of professional threading tasks, providing exceptional durability and a longer service life
  • USER-FRIENDLY DESIGN: Engineered for accuracy to deliver clean and precise threads for secure connection, while their easy installation with multiple RIDGID die heads enhances efficiency and usability

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