Spider by Safway Group
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Self-locking steel clamp fits I-beam flanges: Fits 1 1/2 to 4 in. (38 to 101 mm) wide
Unit of Measure



N/A 1500 lb680.4 kg


N/A 7 lb3.2 kg

Optional Accessories

N/A , Transfer Chains

Key Features

Key Features

  • Heavy duty steel construction
  • Time-tested design
  • No tools required for installation
  • Built by Spider in the USA

Notes for Use

Notes for Use

  • These I-beam clamps are intended to be used on the bottom flange of a horizontal I-beam or structural T.
  • The flange should not be narrower than 1 1/2 in (38 mm) and not wider than 4 in (102 mm) for the SA-1039, or 8 in (203 mm) for the SA-1040.
  • The beam must be able to sustain the maximum rated working load with a safety factor of 4:1.
  • Do not use these devices on a vertical beam or in a way that would place the suspension wire rope parallel to the beam.