The 1 1/8-7 X 2 3/4 USA HX CAP SC GR5 NC ZP from Titan Fasteners is a hex cap screw made from Grade 5 steel, providing superior strength and durability. This screw features a 1 1/8 inch diameter and 7 threads per inch, making it ideal for heavy-duty applications. The zinc plating (ZP) offers enhanced corrosion resistance, ensuring longevity in various environments. This product is compliant with ANSI standards, making it suitable for industrial and construction applications. Its hex head design allows for easy installation and removal, making it a versatile choice for professionals.