Eagle Cutting Tool CHD-37500-8-I Carbon Hex Rethread Die

Product Description

The EAGLE CUTTING TOOL CHD-37500-8-I is a carbon hex rethread die designed to restore damaged or corroded external threads on fasteners, pipe fittings, and threaded rod. Built in a standard hex profile for use with a die stock or adjustable wrench, this die cuts a 3-3/4 inch nominal diameter thread at 8 threads per inch (TPI). It is a practical field and shop tool for plumbers, pipefitters, and maintenance mechanics who need to clean up or recut threads without replacing an entire fastener or fitting.

This rethread die is suited for use in industrial, commercial, and heavy mechanical applications where large-diameter fasteners and threaded pipe connections are common. It is typically used during equipment overhaul, piping repair, and structural maintenance work where thread restoration is required on-site or at the bench. The hex body allows it to be driven with standard hand tools available to most trade professionals.

Key Features

• 3-3/4 inch nominal diameter with 8 TPI thread specification
• Hex body profile accepts standard die stocks and adjustable wrenches
• Carbon steel construction provides hardness suitable for thread restoration tasks
• Designed to chase and restore damaged external threads without full replacement
• Minimum order quantity of 1 unit for flexible purchasing

Compatibility

Designed as an OEM-style replacement and standard hex rethread die for use on 3-3/4 inch diameter externally threaded fasteners, pipe, or rod with an 8 TPI thread form.

Installation Notes

Thread restoration dies of this size are typically handled by licensed pipefitters, millwrights, or experienced maintenance mechanics. Before use, ensure the workpiece is securely clamped and all system pressure is relieved if working on live piping. Apply cutting oil generously during the rethreading process to extend die life and produce a clean thread form. Inspect the restored thread with a thread gauge before reassembly to confirm proper fit.

Technical Specifications

• Thread Diameter: 3-3/4 inches
• Threads Per Inch (TPI): 8
• Body Style: Hex
• Material: Carbon Steel
• Weight: 9.35 pounds

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: CHD-37500-8-I