Serving a wide array of industries from marine and mining to construction and electronics, our custom fasteners can be used for a broad variety of applications, including boilers, bridges, hydraulics, and machine tools. Offering the capability to work with a large number of materials up to four inches in diameter, such as nylon, plastics, brass and stainless steel, we can heat treat our custom fasteners to match our customer's unique requirements.

Offering a large variety of fastener, thread, bolt and screw head types, we can manufacture numerous styles of our custom fasteners based upon client specifications. Also, we can also manufacture our products to numerous custom grades.

Providing multiple finishing options ranging from nickel, brass, and zinc plated to chrome, color coated, and galvanized, our fasteners can be built to meet either English, British or metric standards.

SOCKET HEAD SHOULDER SCREWS

• National Bolt & Nut offers a wide selection of socket head shoulder screws that meet ANSI B18.3 dimensional specifications. Made from high-strength alloy steel, our socket head shoulder screws feature a hexagon-shaped socket and are ideal for a variety of rotating or sliding applications, such as bearing pins or pulley shafts.
• Other materials and finishes available. For further information, call or send an information request.

Socket screws feature a number of different head types and sizes, and are fastened using a hex head socket wrench matching the slot size. National Bolt & Nut Corporation’s selection of socket screws includes flat head and button head configurations when a low-profile appearance is desired, as well as longer socket heads for when fastener visibility is more important. We also carry headless socket set screws, and rotating socket head shoulder screws constructed from alloy steel.

All of our socket screw products, from flat heads to set screws, meet ANSI B18.3 size specifications. We offer a number of options for fine or coarse threads, as well as plain or custom finishes. In addition, we can source and manufacture from other materials upon customer request. Drill down for thread sizing options, and contact National Bolt with any further questions on our socket screw inventory.