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The VALUE COLLECTION 315-1228 is a round threading die machined from high-speed steel (HSS), designed to cut external threads on rod, bar stock, and fastener blanks. It produces a 15/32-32 right-hand thread to the UNS (Unified National Special) thread standard. The adjustable design allows the cutting diameter to be fine-tuned for fit and thread tolerance, extending die service life by enabling compensation for wear. This die is a standard shop and field tool for machinists, tool-and-die makers, and maintenance technicians working with threaded components.
The 315-1228 is suited for threading operations in production shops, maintenance facilities, and trade apprenticeship settings. It is used when a 15/32-32 UNS thread form is required on a workpiece, a specification found in specialized fastener, instrument, and precision mechanical applications. The adjustable construction makes it practical for both prototype runs and repeat production work where consistent thread form is critical.
Designed as an OEM-style replacement and standard aftermarket round die for use in round die stocks sized to accept the corresponding die diameter. No specific compatible model numbers were stated in the product data.
Round threading dies are installed and driven by a matching die stock; verify the die stock bore and retaining screw pattern match this die before use. Secure the adjusting screw to the desired thread tolerance setting before beginning the threading operation. Apply cutting fluid appropriate for the workpiece material to reduce heat and improve thread finish. Inspect the die for chipping or wear before each use, as a damaged die will produce an out-of-tolerance or incomplete thread form.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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