7/16-14 NC 1-1/2 Adjustable Round Die ADJ 4039ZR-SBD

Irwin's Machine Screw Die. Achieve exact threading standards with the Adjustable Round Machine Screw Die. While standard solid dies are suitable for general-purpose applications, this adjustable round die is engineered for precision threading, allowing users to fine-tune the thread fit (class of fit) for critical assemblies. It is an essential tool for cutting external threads on rods, bolts, and studs with accuracy and ease, making it a versatile addition to any machinist's or mechanic's toolkit.
Key Features
- Solid round machine screw dies ideal for general purpose threading
- Adjustable round dies ideal for precision threading
- Machine Screw Die, Round