Hexagon die for hand-cutting 3/8"-16 NC external threads. Heat treated and tempered for file-hard threads and a longer, useful life, with precision-cut threads accurately formed for consistent, exact threading.

• Thread: 3/8"-16 NC National Coarse (UNC)
• 1" across flats, hexagon body
• Heat treated and tempered for file-hard threads
• Precision-cut external threads, accurately formed
• Designed for hand cutting applications
• Fits Century 1" hex die stocks: 98504 non-adjustable and 98509 twist-to-lock

Tip: A die stock holds the die square to the work. The 98504 locks the die with one set screw; the 98509 holds it with a twist ring.