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Threaded Half Couplings

Create branch connections and join pipes with our Threaded Half Couplings (THC) manufactured to suit a variety of industries. Choose from threaded half couplings in a range of tube sizes, end-to-end lengths, and threads per inch for the ideal fit.

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Dimensions (O.D. Tube Sizes): Threaded Half Couplings

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED
API Part Number Nominal Pipe Size (inches) OD End to End Length Threads per Inch
THC0025 0.25 0.71 0.57 18.0
THC0050 0.50 1.06 0.75 14.0
THC0075 0.75 1.31 0.81 14.0
THC0100 1.00 1.57 1.00 11.5
THC0125 1.25 1.90 1.00 11.5
THC0150 1.50 2.20 1.00 11.5
THC0200 2.00 2.75 1.06 11.5
THC0250 2.50 3.25 1.06 8.0
THC0300 3.00 4.00 1.63 8.0
THC0400 4.00 5.00 1.75 8.0
THC0500 5.00 6.29 1.90 8.0
THC0600 6.00 7.39 2.00 8.0
THC0800 8.00 9.61 2.63 8.0
  Notes:
  • Threaded Half Couplings material is mild steel
  • Threads conform to ANSI B1.20.1
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