25 Pack Self-Drilling Dovetail Screws 410 Stainless Steel #8 1 Inch Truss Head Phillips Drive Drill Point Tek Screws Made of 410 stainless steel, high hardness (40 Rockwell C), applied to steel-work. Standard cross recessed pan head screw, smooth and complete, stressed uniformly, hard to to skid in the process of spinning.
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