Osg 2703200 Round Threading Die 5/16-18 Unc 1 in Od Hss

Product Description

The OSG 2703200 is a round threading die designed to cut external threads on iron and steel fasteners, bolts, and rod stock. It produces a 5/16-18 UNC right-hand thread profile and measures 1 inch in outside diameter with a 3/8-inch thickness. Manufactured from high-speed steel, the die resists heat buildup during cutting and holds its edge through repeated use. The adjustable design allows the operator to fine-tune thread fit by slightly opening or closing the die body via a set screw, giving more control over thread tolerance. Licensed machinists, toolroom technicians, and experienced maintenance trades use this die for field repair or production threading tasks.

This die suits applications where standard UNC external threads must be cut or chased on iron or steel workpieces. Common install scenarios include threading repair on bolts, studs, and allthread rod in maintenance, manufacturing, and fabrication environments. The 1-inch OD fits standard round die stocks sized for 1-inch dies, making it compatible with widely available die handles used across general-purpose threading work.

Key Features

• 5/16-18 UNC thread profile for standard inch-series fastener applications
• High-speed steel construction provides heat resistance and edge retention during threading
• Adjustable body allows fine-tuning of thread fit and tolerance
• Right-hand thread direction conforms to standard fastener orientation
• 3/8-inch thickness fits standard 1-inch OD round die stocks
• Rated for use on iron and steel workpieces

Compatibility

Designed for use on iron and steel. Fits standard round die stocks accepting a 1-inch OD die. Part of OSG Series 134.

Installation Notes

Threading dies are installed by machinists and maintenance trades using a round die stock or die handle matched to the 1-inch OD. Secure the workpiece firmly before threading and apply cutting oil to reduce friction and extend die life. Use the adjusting screw to set thread fit before running a full pass. Inspect threads with a go/no-go gauge to confirm tolerance after cutting.