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Square Head Plugs

Square Head Plugs

NPSC Threaded Black Steel Merchant Square Head Plug 150# Pipe Fittings
  • Coupling dimensions and materials conform to ASTM A865
  • Coupling threads conform to ASME B1.20.1
  • Couplings from 1/8” to 2” are NPSC (straight threads), 2-1/2” and larger are NPT (tapered)
  • API 5L style couplings are for extra heavy pipe, all sizes have NPT threads
  • Steel bushings and plugs conform to ASME B16.14