Value Collection 315-1235 Round Die 1/2-40 High Speed Steel

Product Description

The VALUE COLLECTION 315-1235 is a round threading die designed to cut external threads on cylindrical workpieces. Sized for a 1/2-40 thread form to the UNS (Unified National Special) standard, it produces right-hand threads and features an adjustable design that allows the cutting diameter to be fine-tuned for fit and tolerance control. The die is manufactured from high-speed steel (HSS), which retains hardness at elevated cutting temperatures and holds a cutting edge through repeated use on steel, brass, aluminum, and similar materials. Machinists, tool-and-die makers, and maintenance technicians use this die with a standard round die stock or die holder.

This die is suited for threading operations in machine shops, maintenance and repair facilities, and production environments where a 1/2-40 UNS thread specification is required. The 1/2-40 designation indicates a 1/2-inch nominal diameter with 40 threads per inch, a fine-pitch UNS thread not found in standard UNC or UNF series. This makes it a specialty item typically selected when matching an existing non-standard thread or when fine pitch is needed for precision adjustment applications.

Key Features

• 1/2-40 thread size to UNS standard for specialty fine-pitch threading
• High-speed steel construction maintains cutting edge at elevated temperatures
• Adjustable design allows fine-tuning of thread fit and cutting diameter
• Right-hand thread direction for standard threading operations
• Round die profile fits standard round die stocks and holders

Compatibility

Designed for use with standard round die stocks and holders that accept the appropriate outside diameter. Intended for cutting 1/2-40 UNS right-hand external threads on compatible workpiece materials.

Installation Notes

Round dies are used by machinists and maintenance technicians and require a properly sized die stock for safe operation. Secure the workpiece in a vise or fixture before threading to prevent movement. Apply cutting oil appropriate to the workpiece material to extend die life and improve thread finish. The adjustable set screw should be backed off slightly before starting a cut, then advanced incrementally to reach final thread diameter.