Ridgid RDDHC12R114 Die Head Complete 1-1/4 Inch Npt

Product Description

The RIDGID RDDHC12R114 is a complete die head assembly designed for cutting 1-1/4 inch NPT threads on pipe. It fits the RIDGID 12-R die head system and is used with compatible RIDGID threading machines and hand threaders. The assembly includes the die head body and cutting dies as a matched set, ensuring consistent thread form and pitch on each cut. Licensed plumbers, pipefitters, and mechanical contractors rely on this type of tooling for accurate NPT threading on iron, steel, and galvanized pipe in both new construction and retrofit work.

This die head is suited for threading 1-1/4 inch nominal pipe in residential and commercial plumbing, fire protection piping, and mechanical systems. It is intended for use with compatible RIDGID 12-R series die head equipment. The complete assembly format means the dies and head are matched from the factory, reducing setup time on the job site or in a pipe fabrication shop.

Key Features

• Complete die head assembly with dies included as a matched set
• Cuts 1-1/4 inch NPT threads to ANSI standard taper
• Designed for the RIDGID 12-R die head platform
• Suitable for iron, steel, and galvanized pipe threading applications
• Factory-matched dies promote consistent thread quality and reduced chatter

Compatibility

Designed as an OEM-style complete die head replacement for use with RIDGID 12-R series threading equipment cutting 1-1/4 inch NPT pipe.

Installation Notes

Die head installation and pipe threading should be performed by a licensed plumber or pipefitter familiar with RIDGID threading equipment. Ensure the threading machine is powered down and the pipe is securely clamped in the vise before mounting or removing the die head. Use appropriate thread cutting oil during operation to extend die life and produce clean thread form. Follow all applicable plumbing codes, including IPC requirements, for threaded pipe joint construction.

Technical Specifications

• Thread Standard: NPT
• Pipe Size: 1-1/4 inches
• Die Head Series: 12-R

Standard Information

• Brand: RIDGID
• Manufacturer Part Number: RDDHC12R114