Forney 21177 #12-28 UNF Hex Rethreading Die

The Forney 21177 is a carbon steel hex rethreading die designed to restore damaged or stripped threads on #12-28 UNF (Unified National Fine) fasteners. This right-hand thread die is an essential tool for automotive, machinery repair, and general maintenance applications where thread damage is common.

Key Features:

• Carbon steel construction for durability and long service life
• Hexagonal shape allows use with standard sockets or wrenches in confined spaces
• UNF #12-28 thread specification for fine thread applications
• Right-hand thread orientation for standard fasteners
• Industrial Pro quality for professional and heavy-duty use

Rethreading dies are designed to clean up and restore existing threads rather than cut new ones, making them ideal for salvaging damaged bolts, studs, and threaded rods. The hex design provides easy installation and use compared to traditional round dies, allowing you to apply torque with common hand tools even in tight working areas.