Lang Tools (Kastar) 51-2630-0005 - National Coarse Rethreading Die 9/16"-12

Features and Benefits:

• For quick, on-the-job repairs of damaged threads on bolts and studs
• Chase out damaged threads and remove nicks and burrs without undercutting good threads
• 6--pt. shaped for use with socket or wrench, and light oil
• Never use to cut new threads
• Highly tempered for strength and durability
• Clear zinc plated
• LANG - Thread Restorers Dies