Hittco online technologies offers a range of precision cutting tools. Taps in hss come in a wide range of threads. This consists of ground threads, iso metric, bsw, bsf, unc, unf, bsp, ba, and bscy threads, in both fine and coarse pitch. These conform to various industry standards, in iso, is and bs specifications. The finish is either bright or tin. These come in five types -viz., hand and short, long shank, nut tap, nib tap and nipple tap.