Spider by Safway Group
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The Bottom Flange Truss Outrigger expands ability to mount to bottom flange of beams when unable to rig from the top flange.
Unit of Measure


Load Rating

N/A 1000 lb453.6 kg


N/A 38 lb17.2 kg

Minimum Flange

N/A 6 in152 mm
Maximum Outreach1 N/A 15.2 in386 mm
Minimum Outreach2 N/A 3 in76 mm

Optional Accessories

N/A , Truss Outriggers

Key Features

Key Features

  • Heavy duty steel construction with stainless steel hardware
  • Use only on beams with flange width of 6 in (152 mm) or larger. Beam must support 1,000 lbs. (453.6 kg) vertical load and up to 19750 ft-lbs of torque with safety factor of 4.
  • No tools required for installation
  • Thorough labeling ensures worry-free installation
  • Components can retrofit to SA-4474 Top Flange Truss Outriggers
  • Built by Spider in the USA
  • 1 At 6 in. (152 mm) flange size
  • 2 At 6 in. (152 mm) flange size