Milwaukee Tool 49-57-5329 Hex Rethreading Die M5x0.8

Product Description

The MILWAUKEE TOOL 49-57-5329 is a hex rethreading die designed to restore damaged or corroded external metric threads without removing the fastener or workpiece. Built from carbon steel, this die handles M5x0.8 metric coarse threads and fits securely into a 1-inch hex driver or tap wrench via the Hex-LOK interface. At 0.07 pounds and 0.5 inches thick, it is compact enough for tight-access repair work. Machinists, mechanics, and maintenance professionals use it to clean and re-form threads on bolts, studs, and threaded rod in field and shop settings.

This die is suited for metric thread repair in light industrial, automotive, and mechanical maintenance applications. It addresses M5x0.8 metric coarse threads, the standard pitch for M5 fasteners used throughout machinery, equipment frames, and assembly fixtures. The right-hand thread direction matches the conventional fastener standard. It is a non-adjustable, single-size die intended for restoration rather than thread cutting from scratch. Quantity per package is one die.

Key Features

• M5x0.8 metric coarse thread profile for standard M5 fastener repair
• Carbon steel construction provides durability for rethreading applications
• 1-inch hex drive (Hex-LOK series) compatible with standard hex drivers and tap wrenches
• Right-hand thread direction matches conventional fastener orientation
• Non-adjustable, fixed-size design for consistent thread restoration
• Compact at 0.5 inches thick and 0.07 pounds for use in confined spaces

Compatibility

Designed as a replacement-style rethreading die for use with 1-inch hex drive tap wrenches and holders that accept Hex-LOK series dies. Intended for M5x0.8 metric coarse right-hand threaded fasteners and components.

Installation Notes

Thread repair with a rethreading die is typically performed by machinists or maintenance mechanics. Before use, clean debris and corrosion from the damaged thread area as much as possible and apply cutting oil to the die and workpiece to reduce friction and extend die life. Engage the die squarely onto the thread to avoid cross-threading. Do not use a rethreading die as a substitute for a full thread-cutting die when no existing thread profile remains.