3/4" x 16, national fine thread, hexagon die, carbon steel, ideal for routine maintenance, repair work & for rethreading where high accuracy & tolerance thread is not critical, recommended for use with hexagon die stock, die can be used with a wrench or socket when space is limited , designed for hand threading work in a variety of materials.

• Fractional carbon steel die offers precision cut threads accurately formed for consistent exact threading
• Heat treated and tempered for file hard threads and longer useful life
• Designed for hand cutting applications
• Across flats 1-7/16-Inch