This YG-1 TOOL CO 3 Flute Spiral Pointed Plug Steam Oxide Tap is made of HSSE-V3 material and has a Steam Oxide finish. It has a size of 3/8 – 16, H5, a weight of 0.083, a square size (metric) of 7.26, a shank diameter (inch) of 0.381, a pitch limit of H5, a shank diameter (metric) of 9.68, a drill size (inch) of 0.31816875, a neck diameter (inch) of 0.287, a size & pitch of 42437, a trade name of YG Tap, a package (W) of 0.75, a thread length (metric) of 19, a shank type of square, a drill size (mm) of 8.08148625, a square length (metric) of 11.18, a square size (inch) of 0.286, a connection (in) of 0.381 x 0.286, a neck diameter (metric) of 7.29, a chamfer length of 4P-5P, a connection (mm) of 9.68 x 7.26, a square length (inch) of 0.44, a thread length (inch) of 0.748, a diameter (metric) of 9.525, an OAL (inch) of 2.94, a useable length (mm) of 31.8, a package (L) of 3.875, a package (H) of 0.625, an OAL (metric) of 74.68, a useable length (in) of 1.252, a thread series of UNC, a pitch of 16, a length/diameter of 3xD, a chamfer type of plug, a diameter (inch) of 0.375, and a tap type of SPPT.