PG vs NPT vs Metric – Cable Gland Thread Differences Thread Differences PG vs NPT vs Metric The PG stands for Panzer-Gewinde . This is a German type thread. The Main difference on this vs NPT and Metric is that the depth of the thread is smaller but has a larger flank angle, which makes it have a wider pitch along with a straight thread. PG Thread PG Gland Sizes NPT Thread = National Pipe Thread These will have a 1/16 taper to the threads. This allows the flanks of the threads to seal together when torqued. these are set up as NPT Sizes
Metric Thread These have a straight Thread but are set up as: example M12 x 1.5 M = Metric 12 = diameter in mm 1.5 = pitch in mm Our products allow you to choose which type of thread you want to use: Metric, PG or NPT.
