The YG-1 TOOL CO brand Roll Form Taps Tin Bottoming HSS-EX has a connection (mm) of 3.58 x 2.79, a size of 1-64, H2, a connection (in) of 0.141 x 0.11, a shank type of square, a weight of 0.0095, a drill size (inch) of 0.06609375, an OAL (inch) of 1.69, a useable length (in) of 0.38, a diameter (metric) of 1.8542, a length/diameter of 3.0 x D, a pitch of 64, a pitch limit of H2, an entry taper type of bottoming, a sqr. size (inch) of 0.11, a sqr. lgth. (inch) of 0.19, a shk. dia. (metric) of 3.58, a material of HSSE-V3, a size & pitch of #1-64, a system of measurement of inch, an entry taper length of 1.5 – 2P, a finish of bright, a thd. lgth. (metric) of 9.65, a thread series of UNC, a package (W) of 0.5, a tap type of forming, a trade name of YG Form Tap, a number of lobes of 4, a package (H) of 0.375, an OAL (metric) of 42.93, a package (L) of 3.125, a shk. dia. (inch) of 0.141, a sqr. lgth. (metric) of 4.83, a thd. lgth. (inch) of 0.38, a diameter (inch) of 0.073, a useable length (mm) of 9.652, a sqr. size (metric) of 2.79, and a drill size (mm) of 1.67878125.