Pipe Thread (NPT)

Pipe thread grease fittings, also known as Zerk fittings, are made to thread into pipe thread (NPT) threaded holes to provide a port to lubricate a part with. They are made from zinc plated steel which provides mild corrosion resistance and feature a ball check valve to prevent grease backflow leaks. They come in straight or angled fittings depending on the application.
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1/8" PIPE THREAD STRAIGHT GREASE FITTING WITH BALL CHECK
  • 58042
  • 1/8" PIPE THREAD STRAIGHT GREASE FITTING WITH BALL CHECK
Thread Size: 1/8" NPT
Style: Straight
1/8" PIPE THREAD X 30* GREASE FITTING WITH BALL CHECK ZINC PLATED
  • 58044
  • 1/8" PIPE THREAD X 30* GREASE FITTING WITH BALL CHECK ZINC PLATED
Thread Size: 1/8" NPT
Style: 30 Degree
1/8" PIPE THREAD X 45* GREASE FITTING WITH BALL CHECK ZINC PLATED
  • 58046
  • 1/8" PIPE THREAD X 45* GREASE FITTING WITH BALL CHECK ZINC PLATED
Thread Size: 1/8" NPT
Style: 45 Degree
1/8" PIPE THREAD X 65* GREASE FITTING WITH BALL CHECK ZINC PLATED
  • 58048
  • 1/8" PIPE THREAD X 65* GREASE FITTING WITH BALL CHECK ZINC PLATED
Thread Size: 1/8" NPT
Style: 65 Degree
1/8" PIPE THREAD X 90* GREASE FITTING WITH BALL CHECK ZINC PLATED
  • 58050
  • 1/8" PIPE THREAD X 90* GREASE FITTING WITH BALL CHECK ZINC PLATED
Thread Size: 1/8" NPT
Style: 90 Degree
1/8" N.P.T. DUAL-NIPPLE GREASE FITTING WITH BALL CHECK ZINC PLATED
  • 58052
  • 1/8" N.P.T. DUAL-NIPPLE GREASE FITTING WITH BALL CHECK ZINC PLATED
Thread Size: 1/8" NPT
Style: Dual-Nipple
1/4" PIPE THREAD STRAIGHT GREASE FITTING WITH BALL CHECK
  • 58055
  • 1/4" PIPE THREAD STRAIGHT GREASE FITTING WITH BALL CHECK
Thread Size: 1/4" NPT
Style: Straight
1/4" PIPE THREAD X 45* GREASE FITTING WITH BALL CHECK ZINC PLATED
  • 58057
  • 1/4" PIPE THREAD X 45* GREASE FITTING WITH BALL CHECK ZINC PLATED
Thread Size: 1/4" NPT
Style: 45 Degree
1/4" PIPE THREAD X 65* GREASE FITTING WITH BALL CHECK ZINC PLATED
  • 58059
  • 1/4" PIPE THREAD X 65* GREASE FITTING WITH BALL CHECK ZINC PLATED
Thread Size: 1/4" NPT
Style: 65 Degree
1/4" N.P.T. 90* GREASE FITTING WITH BALL CHECK ZINC PLATED
  • 58061
  • 1/4" N.P.T. 90* GREASE FITTING WITH BALL CHECK ZINC PLATED
Thread Size: 1/4" NPT
Style: 90 Degree
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