I HAVE 20PK 3/8-16x1 HEX HEAD CAP SCREW STEEL/ZINC THREAD LENGTH: 1 1/4"HEAD WIDTH: 9/16"FULLY THREADEDGRADE 5 STEEL I ALSO SEE 10,20,30,40, AND 50 PACKS!!JUST MESSAGE ME.. IF YOU HAVE ANY QUESTIONS FEEL FREE TO ASK!! THANKS FOR LOOKING!!
These screws are used to screw light guage steel, galvanized or aluminum roofing panels (24ga - 18ga) to a structural purlin. They are made from case hardened steel. They are a #12 screw, 1 1/4" long, (appx 1" of thread) have a self sealing washer, have a self drilling point and use a 3/8" standard screw bit.
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