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Glossary of connection types

The following connections are used in our components:

Metric threads - Examples:

  • Fine thread: M5, M6, M12 Coarse thread: M8


Unified Inch threads - Examples:


  • Fine thread (UNF): 10-32UNF, 1 / 4-28UNF
  • Coarse thread (UNC): 6-32UNC, 10-24UNC


Parallel threads - Examples:     


  • G1/8, G1/4, G3/8, G1/2, G3/4, G1, G1 1/4, G1 1/2, G2


Conical threads - Examples:


  • Rc1/8, Rc1/4


National Pipe threads (NPT)


  • 1/4-18NPT, 1/8-27NPT


Hose barbs (for direct connection of a flexible tubes)



Flange (For mounting on a manifold)