Value Collection 315-1232 Round Die 1/2-28 Unef Hss

Product Description

The VALUE COLLECTION 315-1232 is a round threading die designed to cut external threads on rod, bolt stock, and cylindrical workpieces. It produces a 1/2-28 UNEF (Unified Extra Fine) right-hand thread in a single setup. The die body is machined from high-speed steel (HSS), which holds a cutting edge under heat and friction better than carbon steel. An adjustable split design allows the cutting diameter to be fine-tuned for thread fit and to account for tool wear over time. This die is a standard shop tool used by machinists, maintenance technicians, and trade professionals working in metal fabrication, repair, or custom fastener applications.

This die is suited for threading mild steel, stainless steel, aluminum, brass, and similar machinable metals where a 1/2-28 UNEF thread form is required. Common applications include firearm barrel threading, precision instrument work, and any assembly that calls for the extra-fine 28-thread-per-inch pitch on a 1/2-inch nominal diameter fastener. It is used in manual die stocks or appropriate die holders on a bench setup.

Key Features

• 1/2-28 UNEF thread form for extra-fine pitch external threading
• High-speed steel construction retains cutting edge under elevated temperatures
• Adjustable split body allows fine-tuning of thread tolerance and fit
• Right-hand thread direction for standard fastener applications
• Round die profile fits standard round die stocks and holders

Compatibility

Designed as a standard round die for use in manual die stocks and holders sized to accept a round die body. Confirm die stock bore diameter matches the die outer diameter before use.

Installation Notes

A licensed machinist or qualified technician should perform threading operations on precision or safety-critical components. Secure the workpiece firmly in a vise before engaging the die. Apply cutting oil liberally during threading to reduce heat buildup, extend die life, and improve thread finish. Back off the die periodically to clear chips and prevent binding.