Milwaukee Tool 49-57-5307 Hex Rethreading Die 4-36

Product Description

The MILWAUKEE TOOL 49-57-5307 is a hex rethreading die designed to restore damaged or corroded external threads to their original specification. Part of the Hex-LOK series, this die is manufactured from carbon steel and features a 1.0 inch hex profile for use with standard hex die stocks. It cuts a 4-36 UNS right-hand thread and has a thickness of 0.5 inches. Rethreading dies like this one are used by electricians, plumbers, pipefitters, and mechanical contractors when salvaging threaded fasteners and fittings in the field or shop environment.

This die is suited for rethreading small-diameter fasteners with a 4-36 UNS thread form. The right-hand thread direction covers the most common fastener orientation found in general mechanical assemblies. Typical applications include restoring threads on machine screws, instrument hardware, and small-diameter precision fasteners in residential, commercial, and light industrial settings where UNS thread standards are specified.

Key Features

• 4-36 UNS right-hand thread form for small-diameter fastener rethreading
• Carbon steel construction for durability in rethreading applications
• 1.0 inch hex size fits standard hex die stocks
• 0.5 inch thickness provides stable thread engagement during use
• Non-adjustable design for consistent, repeatable thread restoration
• Hex-LOK series for secure seating in compatible die holders

Compatibility

Designed for use in standard 1.0 inch hex die stocks compatible with the Hex-LOK series. Intended for rethreading 4-36 UNS right-hand external threads on small-diameter fasteners and hardware.

Installation Notes

This rethreading die is installed by a machinist or trade professional into a compatible 1.0 inch hex die stock before use. Ensure the workpiece is secure and properly deburred before engaging the die. Apply appropriate cutting fluid to the thread surface to reduce friction and extend die life. Follow applicable shop safety practices when rethreading fasteners under power or by hand.