00283 Hex Cap Screw, 5/16-18 Thread, 4 in OAL, 5 Grade, Steel, Zinc-Plated, SAE Measuring

5/16-18 x 4 Grade 5 coarse hex cap screws are precision-engineered fasteners crafted from durable Grade 5 steel, offering reliable strength and long-lasting performance for demanding applications. Featuring a zinc finish, these bolts provide moderate corrosion resistance, making them suitable for both indoor and outdoor use. The hex head design ensures easy installation and removal using standard wrenches or sockets, while the head stamping allows for quick grade identification even after installation. Ideal for a wide range of industrial, automotive and construction projects, these hex cap screws deliver smooth engagement and maximum holding power thanks to their precise threading. Whether securing machinery components or structural assemblies, they ensure components remain firmly connected under stress. Their robust build and versatile design make them a dependable choice for professionals and DIY enthusiasts alike.