9/16-12 x 4 Grade 8 Coarse Hex Cap Screws

These 9/16-12 x 4 Grade 8 Coarse Hex Cap Screws are manufactured from high-strength Grade 8 steel, delivering reliable durability and long-lasting performance in demanding industrial and construction applications. Featuring a yellow zinc finish, these bolts offer moderate corrosion resistance, making them suitable for environments where protection against rust is important. The hex head with an integrated washer simplifies installation and removal using standard wrenches or sockets, while also enhancing holding power.

Designed with precise coarse threading, these screws ensure smooth engagement with nuts, providing maximum holding strength to keep components securely connected under stress. The head stamping allows for easy class and grade identification even after installation, helping professionals quickly verify specifications on site. Ideal for heavy machinery, structural assemblies, and maintenance tasks, these bolts are a dependable choice for both industrial and commercial use.