Value Collection 315-1147 Round Die 3/8-40 1 Inch Od Hss

Product Description

The VALUE COLLECTION 315-1147 is a round threading die designed to cut external threads on rod, bolt stock, and fasteners. It is manufactured from high-speed steel (HSS), which maintains cutting edge hardness under the heat generated during threading operations. The die cuts a 3/8-40 UNS right-hand thread profile and has a 1-inch outside diameter for use in standard 1-inch die stocks. The adjustable design allows the operator to fine-tune thread fit by slightly expanding or compressing the die body. Machinists, pipefitters, and maintenance technicians use this type of die for fabrication and repair work on threaded components.

This die is suited for threading operations on small-diameter stock in both shop and field settings. The 3/8-40 UNS thread form is a fine-pitch unified thread used in precision assemblies and specialized fastener applications. Right-hand thread direction follows standard convention, making it compatible with conventional die stocks and holders that accept 1-inch OD round dies. Typical applications include threading repair on damaged fasteners, custom bolt fabrication, and production threading in light manufacturing environments.

Key Features

• High-speed steel construction resists heat buildup and maintains cutting edge sharpness
• 3/8-40 UNS thread form for fine-pitch threading applications
• 1-inch outside diameter fits standard 1-inch round die stocks
• Adjustable body allows fine-tuning of thread fit and tolerance
• Right-hand thread direction per standard convention

Compatibility

Designed as a replacement or supplemental round die for use in standard 1-inch OD die stocks and holders that accept round adjustable dies.

Installation Notes

This die is installed and operated by machinists or maintenance technicians familiar with hand threading tools. Secure the die firmly in the die stock before use and verify the adjusting screw is set to the desired thread tolerance before cutting. Apply a suitable cutting fluid to the workpiece and die to reduce friction and extend tool life. Inspect the die for chipping or wear before each use, as a damaged cutting edge will produce poor thread quality.