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General Fittings

Fittings, unless noted, are made from hot-rolled, pickled and oiled steel plates, bars, strips or coils. They conform to one or more of the following specifications: ASTM specifications - A575, A576, A635, A1011 SS GR 33, A1011 HSLAS GR 45 or A36. All fittings meet or exceed physical properties of ASTM A1011 GR 33. The pickling of the steel produces a smooth surface from from scale.
Many fittings are also available in stainless steel, aluminum, and fiberglass. Consult factory for ordering information.


  • Green Powder Coat (GR) - conforms to commercial standards for powder coating
  • Electro-Galvanized (EG) - conforms to ASTM B633 Type III SC1
  • Hot-Dipped Galvanized (HG) - conforms to ASTM A123 or A153
  • Plain (PL)

All part drawings illustrate only one application of each fitting. In most cases many other applications are possible. The channels shown in the illustrations are P1000, 1-5/8" square, except where noted otherwise.
All 9/16" diameter hole use 1/2" x 15/16" hex head cap screws and 1/2" nuts - P1010, P3010. P4010, or P5510 - depending on the channel used. Nuts and bolts are not included with the fittings and must be ordered separately.