Irwin Industrial Tools 97606 Fractional Tap and Hex Die Set, 66-Piece $170.75 Like New Item will come in original packaging. Packaging will be damaged. [amazon template=image&asin=B0006NDISW] This tap and die set is designed to ensure that bolts fit tightly and anchor securely High-carbon steel taps and dies help ensure durability Machine screw: 4 – 40 NC, 6 – 32 NC, 8 – 32 NC, 10 – 24 NC, 10 – 32 NF and 12 – 24 NC Fractional: 1″ hexagon: 1/4″ – 20 NC, 1/4″ – 28 NF, 5/16″ – 18 NC, 5/16″ – 24 NF, 3/8″ – 16 NC, 3/8″ – 24 NF, 7/16″ – 14 NC, 7/16″ – 20 NF, 1/2″ – 13 NC and 1/2″ – 20 NF Fractional: 1-7/16″ hexagon: 9/16″ – 12 NC, 9/16″ – 18 NF, 5/8″ – 11 NC, 5/8″ – 18 NF, 3/4″ – 10 NC and 3/4″ – 16 NF We’re working with a variety of tradesmen to solve endless fastening challenges: Irwin Hanson Taps and Dies are the answer. Whether creating new tools from raw steel or repairing damaged and worn threads, achieving a precise fit is essential. Irwin Industrial Tools sets the standard for delivering quality every step of the way in your threading applications. Price history (new):Read more, including price history ->