Irwin Hanson 3840 Adjustable Round Die 7/16-20 NF 1" OD

The Irwin Hanson 3840 is a high-quality adjustable round threading die designed for cutting and rethreading external threads on bolts, rods, and pipes. This die features a 7/16-20 NF (National Fine) thread specification, making it ideal for precision work where fine threads are required.

Key Features:

• 7/16-20 NF thread size for accurate fine thread cutting
• 1-inch outer diameter fits standard die stocks and handles
• Adjustable design allows for precise thread depth control
• High carbon steel (HCS) construction for durability and long tool life
• Round configuration compatible with standard circular die stocks
• Suitable for rethreading damaged or worn threads

This adjustable round die is an essential tool for mechanics, machinists, and maintenance professionals who need reliable thread cutting and repair capabilities. The adjustable feature allows you to compensate for wear and achieve the perfect thread fit every time.