Forney 21159 3/8-16 UNC Hex Rethreading Die Thread Restorer

The Forney 21159 is a 3/8-16 UNC hex rethreading die designed to clean, restore, and repair damaged or corroded external threads on bolts, studs, and threaded rod. The hex body allows the die to be driven with a standard open-end wrench or socket for easy, controlled use in the shop or field.

Key Features:

• Thread size: 3/8"-16 UNC (Unified National Coarse)
• Hex body design for use with a standard wrench or socket — no die stock required
• Restores damaged, rusted, or cross-threaded external bolt threads
• Compact and portable — ideal for field repairs and shop use
• Made from hardened carbon steel for long service life
• Right-hand thread orientation

The Forney 21159 hex rethreading die is an essential thread repair tool for welding shops, automotive technicians, maintenance professionals, and DIY metalworkers. It quickly chases and cleans threads without the need for bulky die stocks, making it a practical addition to any toolbox.