Century Drill & Tool (Qty 1) Carbon Steel Die, 1/4-20NC. Introducing the 1/4-20 national coarse fractional hex die, now available at Harolds True Value Hardware in Evanston , IL. This precision-engineered tool is essential for anyone involved in threading tasks, offering consistently accurate and reliable results. Whether you are a professional machinist or a dedicated DIY enthusiast in Evanston , this hex die is designed to meet your threading needs with exceptional quality and durability. (96201)