Standard Dimensions (Unless Shown Otherwise on Drawing):
  - Hole Diameter:  9/16"  (14mm)
- Hole Spacing (From End):  13/16"  (21mm)
- Hole Spacing (On-Center):  1 7/8"  (48mm)
- Width:  1 5/8"  (41mm)
- Thickness:
 - 1/4"  (6.4mm) with steel meeting or exceeding ASTM A1011 SS GR 33, or
- 0.220" (5.6mm) with steel meeting or exceeding ASTM A1011 HSLAS GR 45
Note:
  - When used for mechanical supports, load capacities of brackets and fittings should be in compliance with the American Standard Code for Pressure Piping.
Materials & Finishes - Standard:
  - Base Metal: Steel conforms to ASTM A1011 SS GR 33, A1011 HSLAS GR 45, A36, A575, A576, or A635.
- Electrogalvanized (EG):  Conforms to ASTM B633, Type III SC1
- Unistrut Defender (DF):  Conforms to ASTM A1059
- Hot Dip Galvanized (HG):  Conforms to ASTM A123 or A153
- Perma-Green (GR):  Conforms to commercial standards for powder coating
- Perma-Gold (ZD):  Conforms to ASTM B633, Type II SC1 or SC3
- Plain (PL):  No finish 
Materials & Finishes - Special Metals:
  - Stainless Steel, Type 304 (SS):  Conforms to ASTM A240 or A276, Type 304 *
- Stainless Steel, Type 316 (ST):  Conforms to ASTM A240 or A276, Type 316 *
- Aluminum (AL):  Conforms to ASTM B209, Type 1100F or 5052-H32 *
* These materials have different physical properties and performance characteristics. Please contact us for design support.