Features: The taps and dies in these sets are made from carbon steel. They are an economical choice for internal- and external-threading applications in maintenance operations. Thread Sizes Included / #10-24, #10-32, #12-24, #4-40, #6-32, #8-32, 1/2 in-13, 1/2 in-20, 1/4 in-18, 1/4 in-20, 1/4 in-24, 1/4 in-28, 1/4 in-32, 1/8 in-27, 3/4 in-10, 3/4 in-16, 3/8 in-16, 3/8 in-24, 5/16 in-18, 5/16 in-24, 5/8 in-11, 5/8 in-18, 7/16 in-14, 7/16 in-20, 9/16 in-12, 9/16 in-18, M10x1.0, M10x1.5, M11x1.5, M12x1.5, M12x1.75, M14x1.25, M18x1.5, M6x1.0, M8x1.25 Tap Finish / Bright (Uncoated) Tap Shank Dia. / 0.14 in, 0.18 in, 0.20 in, 0.22 in, 0.24 in, 0.28 in, 0.31 in, 0.35 in, 0.41 in, 0.43 in, 0.47 in, 0.55 in Class of Fit / 2A Coolant Fed / Non-Coolant Through Drill Bit Size / Metric, NPT Extended Neck / No Extended Shank / No Extension Tap / No Number of Flutes / 35 Die Material / Carbon Steel Die Finish / Bright (Uncoated) Die Shape / Round Die Type / Adjustable Die Thread Sizes Included / #10-24, #10-32, #12-24, #4-40, #6-32, #8-32, 1/2"-13, 1/2"-20, 1/4"-18NPT, 1/4"-20, 1/4"-24, 1/4"-28, 1/4"-32, 1/8"-27 NPT, 3/4"-10, 3/4"-16, 3/8"-16, 3/8"-24, 5/16"-18, 5/16"-24, 5/8"-11, 5/8"-18, 7/16"-14, 7/16"-20, 9/16"-12, 9/16"-18, M10x1.0, M10x1.5, M11x1.5, M12x1.5, M12x1.75, M14x1.25, M18x1.5, M6x1.0, M8x1.25 Case Type / Plastic Case Primary Material Application / Ferrous Metal Primary Material Application ISO Code / H Dimensions Standard / ANSI B1.1 Material - Machining / Carbon Steel Max. Die Thread Size / 3/4"-16 Max. Tap Thread Size / M18 Measurement System / Fractional Inch Min. Tap Thread Size / #4-40 Spiral Direction / Right Hand Tap Material Grade / GCr15 Tap Sizes Included / #4 to 3/4 in, M6 to M18 Standards / ANSI-B94-1987 Standards, American Metal Cutting Institute Standards for Cut Thread Tolerance Tap Chamfer / Plug, Taper Tap Material / Carbon Steel Thread Direction / Right Hand Thread Type / Metric, NPT, UNC, UNF