Tools & Gear Taps & Dies Chrome Alloy Button Dies and Die Nuts

METRIC FINEThese button dies and die nuts have a 60 deg; angle of thread. The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well. Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength. The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimeters).