NEW OLD STOCK AND MISSING PACKAGING PLEASE REVIEW PHOTOS DUE TO DUSTY AND SOME SHELF WEAR!!!!!! UN NONE MANUFACTURE A574 Socket Head Cap Screws: Black Oxide Finish, Alloy Steel One Lot is Twelve (12) Steel Socket Cap Screws 5/8"-11 x 2-1/2" Black Oxide Alloy Steel S
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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