These are called stud nuts and they can make the assembly process very quick and efficient.
Unistrut roofing bolts.
Channel nuts including spring nuts typically have a threaded hole in the middle which is used to attach fittings to the strut.
Fifteen channel sizes and hundreds of fittings offer solutions to a virtually endless variety of projects.
Unistrut nuts are available with a variety of hole sizes to accept a range of hex head cap screw hex bolt sizes.
Each rooftop support combines fully adjustable unistrut channel eliminating the cutting and welding associated with most fabricated supports with a secure non penetrating rubber base.
Applications include stanchions sign bases and more.
The core of the unistrut framing system the metal framing channel allows infinite positioning of fittings along the entire piece of strut without welding or drilling.
Find out how you can qualify for free shipping on unistrut general hardware orders over 35.
A 6 8 piece of unistrut with 2 holes drilled in it for 3 or 3 5 stainless steel lag bolts screwed to the rafters.
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There are even spring nuts with bolts built in.
1200 lbs bolt down rigid stand mount.