Unistrut P1271S – Beam Clamp
Features:
- Vertical Design Load: 500 lbs per clamp. Must use in pairs.
- Use with P1000 and P1100 channels
- Requires P1010 channel nut and bolt
- This series is available in Electrogalvanized (EG), Unistrut Defender (DF), Hot-Dip Galvanized (HG), and Stainless Steel (SS).
Brands Available:
- Unistrut
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Design Loads & Installation
Notes:
- Design loads only apply to Unistrut brand products. Look for “UNISTRUT” on the part.
- Use in pairs only.
- Safety factor = 2.5Â based on ultimate strength of connection.
- Requires a P1010 Channel Nut and 1/2” bolt.
- Set Screw Installation Torque: 125 in-lbs (14 N-m)
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 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
Materials & Finishes – Standard:
- Base Metal:Â Steel conforms to ASTM A1011 SS GR 33, A1011 HSLAS GR 45, A36, A575, A576, or A635.
- Electrogalvanized (EG):Â Conforms to ASTM B633, Type III SC1
- Unistrut Defender (DF):Â Conforms to ASTM A1059
- Hot Dip Galvanized (HG):Â Conforms to ASTM A123 or A153
- Perma-Green (GR):Â Conforms to commercial standards for powder coating
- Perma-Gold (ZD):Â Conforms to ASTM B633, Type II SC1 or SC3
- Plain (PL):Â No finishÂ
Materials & Finishes – Special Metals:
- Stainless Steel, Type 304 (SS):Â Conforms to ASTM A240 or A276, Type 304 *
- Stainless Steel, Type 316 (ST):Â Conforms to ASTM A240 or A276, Type 316 *
- Aluminum (AL):Â Conforms to ASTM B209, Type 1100F or 5052-H32 *
* These materials have different physical properties and performance characteristics. Please contact us for design support.
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