Ridgid 20928 11-R High-Speed NPT Threading Die Head, USA-Made

Ridgid 20928 11-R High-Speed NPT Threading Die Head, USA-Made

The Ridgid 20928 is the 11-R High-Speed Die Head (part number 37100), engineered for NPT (National Pipe Taper) threading on compatible Ridgid pipe threading machines. This die head is available in a range of sizes — 1/4", 1/2", and 3/4" — to match the pipe diameter being threaded, giving pipefitters, plumbers, and mechanical contractors the flexibility to outfit a die head set for common job requirements. Designed for professional use, the 11-R High-Speed Die Head delivers consistent, accurate NPT threads whether in the field or in a fabrication shop. As with other Ridgid tooling, the 11-R die head is manufactured in the United States, reflecting the brand's long-standing commitment to durable, precision-engineered threading equipment for demanding trade applications.

Key Features

• Size Range: Offered in 1/4", 1/2", and 3/4" sizes to accommodate a range of NPT threading needs on Ridgid threading machines.
• Model Designation: Identified as the 11-R High-Speed Die Head, part number 37100, for easy cross-reference and replacement ordering.
• Thread Type: Configured for NPT (National Pipe Taper) threading, the standard thread form for pipe and conduit connections in plumbing and mechanical systems.
• High-Speed Design: Engineered as a high-speed die head to support efficient, production-oriented threading cycles on compatible Ridgid threading machines.
• Professional-Grade Tooling: Built to Ridgid's tooling standards for repeatable, accurate thread quality on job sites and in fabrication shops.
• Domestic Manufacturing: Made in the United States, supporting consistent quality control and material sourcing.

Technical Specifications

• Model: 11-R High-Speed Die Head
• Part Number: 37100
• Thread Type: NPT
• Available Sizes: 1/4", 1/2", 3/4"
• Country of Origin: United States

Typical Applications

• Pipe Threading on Ridgid Threading Machines
• Plumbing and Mechanical Pipe Installations
• NPT Pipe Connection Fabrication
• Commercial and Industrial Pipefitting
• Replacement Tooling for Existing Ridgid Die Head Sets

Why Ridgid?

Ridgid is a trusted name among plumbing and mechanical professionals for tooling that stands up to daily jobsite use. The 11-R High-Speed NPT Die Head, part 37100, is manufactured in the United States and available in 1/4", 1/2", and 3/4" sizes to integrate with Ridgid threading equipment, helping contractors maintain consistent NPT thread quality on every job. Choosing genuine Ridgid die head tooling helps ensure compatibility and reliable performance for professional pipe threading work across a range of pipe diameters.