Channel nuts including spring nuts typically have a threaded hole in the middle which is used to attach fittings to the strut.
Unistrut roofing bolts.
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.
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.
Find out how you can qualify for free shipping on unistrut general hardware orders over 35.
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Applications include stanchions sign bases and more.
Unistrut nuts are available with a variety of hole sizes to accept a range of hex head cap screw hex bolt sizes.
8 x 8 base x 16 1 4 height.
The lags are sealed with a black roofing caulk compound forgot the exact name that was put in the pilot holes that were drilled through brand new shingles roof.
Fifteen channel sizes and hundreds of fittings offer solutions to a virtually endless variety of projects.
Custom engineered and pre built unistrut rooftop support systems are easy to install and safe for all roofing materials.
There are even spring nuts with bolts built in.