Pipe Thread / NPT (Taper) is the American standard thread pattern for pipe connections and has been in use in the U.S. since the mid 1800's. NPT threads are cut at cut at an angle of about 60° along the length of the fitting, and the actual individual threads are cut at an angle of
Coupler connects to tubing on one end and has an NPT male thread connector on the other. Used to connect 1/4 outer diameter tube,1/4 NPT male thread.
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Adapter for connecting pipes or fittings of different types Fitting connects to tubing on one end and has an NPT male connector on the other Type 304
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