Eagle Cutting Tool CHD-3750-16-I Carbon Hex Rethread Die 3/8-16

Product Description

The EAGLE CUTTING TOOL CHD-3750-16-I is a 3/8-16 carbon hex rethread die used to restore damaged or corroded external threads on fasteners, studs, and threaded rod. The hex body allows a standard wrench or die stock to drive the tool without slipping, making it practical for field repairs and shop work alike. This import-grade die handles 3/8-inch diameter, 16 threads per inch (TPI) Unified National Coarse (UNC) thread profiles. Plumbers, pipefitters, HVAC technicians, and general maintenance trades reach for rethread dies when a bolt or stud has surface rust, paint buildup, or minor thread damage that prevents a nut from threading cleanly.

This die is suited for restoring UNC threads on carbon steel fasteners in light industrial, mechanical, and trade-service applications. Common scenarios include repairing mounting studs on HVAC equipment, cleaning threads on plumbing flanges, and reconditioning bolts on electrical enclosures or pipe hangers. Because it is an import-grade tool, it is a cost-effective choice for occasional rethread work or for stocking a service van without committing to a higher-cost domestic die set.

Key Features

• 3/8-16 UNC thread profile for restoring standard coarse-thread fasteners
• Hex body design accepts a wrench or standard die stock for positive torque transfer
• Carbon steel construction provides adequate hardness for rethread and chasing work on steel fasteners
• Compact single-die format for easy storage in a tool pouch or service kit
• Minimum order quantity of 1 unit allows individual purchase without bulk commitment

Compatibility

Designed for use on 3/8-16 UNC externally threaded fasteners including bolts, studs, and threaded rod in trade and light industrial service applications.

Installation Notes

A licensed or experienced trade technician should secure the workpiece before applying the die to avoid thread misalignment. Always start the die squarely on the fastener axis and back off periodically to clear chips when working through heavy corrosion or paint. Keep the die and fastener lubricated with cutting oil to extend tool life and improve thread finish. Inspect the finished thread with a standard nut before returning the fastener to service.

Technical Specifications

• Thread Size: 3/8-16 UNC
• Body Style: Hex
• Material: Carbon Steel
• Weight: 1.96 pounds

Standard Information

• Brand: EAGLE CUTTING TOOL
• Manufacturer Part Number: CHD-3750-16-I