MILWAUKEE Solid Hex Rethreading Die

The MILWAUKEE Hex Threading Die 49-57-5321 is used to rethread damaged or dirty #8-32 UNC threads on bolts, studs, or screws. It is commonly applied in automotive repair, equipment maintenance, and general industrial assembly where clean, functional threads must be restored quickly without replacing the fastener.

This solid hex rethreading die is sized for #8-32 UNC threads, has a 1 in hex width, and is made from black oxide carbon steel. The manufacturer part number is 49-57-5321. It is designed for hand use with a standard tap wrench or die stock to clean or repair external threads on ferrous fasteners.

You can source the MILWAUKEE Hex Threading Die 49-57-5321 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this die for maintenance and repair applications.

To use the MILWAUKEE Hex Threading Die 49-57-5321, secure it in a tap wrench or die stock. Clean the damaged thread area, apply cutting oil, and turn the die clockwise onto the fastener with steady pressure. Reverse periodically to clear chips. This restores threads without replacing the part.