Fractional Hex Die, 1/4-20 National Coarse, 1-In.

1/4-20 national coarse fractional hex die. 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. 1" across the flats.

• Heat treated and tempered for file hard threads and longer useful life
• Designed for hand cutting applications
• High carbon steel
• 1" across the flats