Source for i-beam clamp?

Am looking for one of those adjustable girder clamps to fasten on the i-beam that runs across my shop's ceiling, in order to hang a hoist. Any sources that run less than $100? TIA.
TT
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Size of beam (not web) & with or without rollers?
Erik Ahrens

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Oh, I forgot - Tonnage ?
Erik Ahrens

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I-beam is 5-1/4" wide, no rollers needed, and a clamp good for 1 ton will be at least twice as strong as anything I'll be needing to lift. The i-beam is actually up in a joist (runs parallel to them, of course), and one problem I might have is there's only about 1-5/8" clearance between the side of the i-beam and one of the joists. The joist on the other side of the i-beam has at least 6" to 8" clearance, so that side should have plenty of room to get a clamp in. I'm just a little worried about the narrow clearance side. TIA.
TT
On Sun, 19 Oct 2003 12:45:28 -0700, "ELAhrens"

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snipped-for-privacy@nospam.com says...

Accepted safety margin for any product used for overhead lifting or rigging is 5X. In other words, if your intended maximum load is 1,000 lbs., all hardware being used should be rated to no less than 5,000 lbs.
I trust you've already confirmed the I beam (and its supporting structure) will handle an additional 1,000 lb. load at the intended lift point.
--
Mark

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Mark wrote:

(Honest question.) Should the beam handle an additional 1000 or 5000 lbs, in view of your first paragraph?
-- Mark
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snipped-for-privacy@verizon.no.spam.net says...

else).
--
Mark

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Try a commercial plumbing supply store. Quite often larger piping (ie 3-12") is hung from the beams in buildings. The hangers are attached to the beams with clamps. Another source may be a tool rental outlet.
Erik

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