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. 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″ – 14Read More →