Century Drill & Tool (qty 1) Metric Hex Die, 10.0 x1.50, High Carbon Alloy, Precision Cut Threads. Metric Hex Die features a high carbon steel construction for durability. Provides accurately formed threads for consistent, exact threading. For file hard threads and longer useful life, ensuring long-lasting performance. Designed for hand cutting applications, offering versatility in usage. The most common style of tap, with 3 to 5 threads chamfered for efficient operation. (97615)