[25 PKG] Shoulder Screws Socket Head Alloy Steel 5/16 (1/4-20) X 3-3/4

Shoulder Screws Socket Head Alloy Steel 5/16 (1/4-20) X 3-3/4 is a precision shoulder screw designed to provide accurate alignment and long-lasting performance in a wide range of fixtures and machinery. Crafted from durable alloy steel, this socket head shoulder screw combines strength with smooth operation for demanding applications.

Key specifications

• Shoulder diameter: 5/16 in
• Thread size and pitch: 1/4-20 UNC
• Length: 3-3/4 in
• Head style: Socket head
• Material: Alloy steel

Why choose this shoulder screw

Engineered for precision, the socket head provides a clean look and easy drive with a compatible tool. The alloy steel construction delivers excellent strength, wear resistance, and durability under load, making it suitable for high-stress assemblies, guide shafts, and fixtures where accurate shoulder positioning is essential.

Applications

• Machine assemblies requiring precise shoulder alignment
• Fixtures, jigs, and equipment where a controlled shoulder is needed
• Pulleys, bushings, and rotating components that demand accurate spacing

Care and installation tips

Use the correct hex driver to prevent rounding the socket. Ensure proper torque within your material's tolerance to maintain shoulder alignment and long service life.