Socket Screws and Set Screws
Stock up at Grainger on inch and metric socket screws, set screws, stripper bolts, cap screws, and grub screws in a variety of types, materials, and threads.Shoulder screws, also known as shoulder bolts and stripper bolts, are used frequently in pulleys, linkages, and other moving parts. They also function as guide screws or precision spacers. For machine assembly and engine and machine maintenance, select socket head cap screws with standard, button, flange, flat, low, or vented heads. Headless socket set screws are used with pulleys or similar machine parts in a shaft for a wide range of engineering, machinery, and vehicle applications, and with machine tools and tool-and-die. Cup-point and flat-point socket set screws are available. Convenient socket set screw sets provide frequently used sizes in an organizer pack.