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The EAGLE CUTTING TOOL CHD-7500-16-I is a carbon hex die designed for cutting 3/4-16 NF (National Fine) external threads. Hex dies are used with a standard die stock or holder to chase or cut threads onto round stock, bolts, and fittings. The hexagonal body profile allows wrench engagement for tight-access applications where a full-size die stock cannot be used. This die is an import-grade tool suited for general threading work in plumbing, HVAC, electrical, and mechanical trade applications where a cost-effective threading solution is needed.
This die is appropriate for residential and light commercial maintenance and repair tasks involving 3/4-16 NF threaded fasteners or fittings. It is commonly used by plumbers, HVAC technicians, and general maintenance mechanics to restore damaged threads or cut new threads on rod and pipe stock. The 3/4-16 NF thread specification is a fine-pitch designation, making this die suitable for applications requiring tighter thread engagement than standard coarse-pitch alternatives.
Designed for use with standard hex die stocks and holders that accept the appropriate hex body size for 3/4-inch dies. Intended for cutting 3/4-16 NF external threads on mild steel, aluminum, and similar materials.
Threading dies should be installed by qualified tradespeople or machinists familiar with hand threading techniques. Secure the workpiece firmly before beginning thread cutting, and apply appropriate cutting oil to the die and stock to reduce heat and extend tool life. Always start the die square to the workpiece to avoid cross-threading. Inspect the die for chips or damage before each use.
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