Unistrut Beam Clamp, 3"x 3-3/4"x 2-1/4", ST

Application: General Construction

Default UOM: Imperial

Official Atkore technical table notes:
Design Loads Design Load:  1,000 lbs (4.45 kN) eachNotes: Design loads only apply to Unistrut brand products. Look for "UNISTRUT" on the part. Use in pairs only. Safety factor = 2.5 based on ultimate strength of connection. For use with beam flanges up to 3/4" (19.1 mm) thick. Use with Channels P1000, P1100, P2000, P3000, P3300, P3301, P4000, P4001, P4100, and P4101. General Specifications 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 45Note: 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 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.