Ground Thread Taps can be divided into the following categories Hand Taps and Short Machine Taps (Metric Coarse Pitch)Hand Taps and Short Machine Taps (Metric Fine Pitch)Hand Taps BSW FormHand Taps BSF FormHand Taps UNC FormHand Taps BSCY FormHand Taps BS Conduit FormHand Taps BSP (Parallel) G SeriesLong Series Machine Taps (Metric Coarse Pitch Threads)Long Series Machine Taps (Metric Fine Pitch Threads)Nut Taps Metric Coarse Pitch ThreadsNut Taps BSW FormNut Taps BSF FormNut Taps UNC FormNut Taps UNF Form