Value Collection MS16997-69 Hex Socket Cap Screw 1/4-20

Product Description

The VALUE COLLECTION MS16997-69 is a partially threaded hex socket cap screw designed for precision fastening in industrial and mechanical assemblies. It carries a 1/4-20 UNC thread, a 2-3/4 inch length under head, and is driven by a 3/16 inch hex key. The fastener is manufactured from 4037 alloy steel and finished with a yellow cadmium plating that provides corrosion resistance in demanding service environments. It conforms to ASME B18.3 dimensional standards, making it a reliable choice for applications where spec compliance matters. Licensed tradespeople and machine assemblers rely on this screw in structural and mechanical joints requiring controlled torque and a flush, low-profile head.

This cap screw is suited for use in mechanical assemblies, equipment fabrication, and maintenance applications across industrial, commercial, and trade settings. The 1/4-20 UNC threading is one of the most common inch-series thread forms, making this screw a frequent choice for bracketing, panel mounting, and general machine assembly. The ASME B18.3 standard governs dimensional tolerances, ensuring predictable fit when used as a direct replacement or new installation in compliant assemblies.

Key Features

• 1/4-20 UNC thread for compatibility with standard inch-series tapped holes
• 2-3/4 inch length under head for reach in deeper or stacked material applications
• Partially threaded shank provides a bearing shoulder for shear-load applications
• 3/16 inch hex socket drive for use with standard Allen or hex key tooling
• 4037 alloy steel construction for higher strength compared to standard low-carbon fasteners
• Yellow cadmium plating provides corrosion resistance in moderate-exposure environments
• Conforms to ASME B18.3 for dimensional accuracy and specification compliance

Compatibility

Designed as an ASME B18.3-compliant hex socket cap screw for use in any standard 1/4-20 UNC tapped hole requiring a partially threaded alloy steel fastener.

Installation Notes

Installation requires a 3/16 inch hex key or Allen driver; use a calibrated torque wrench when a specified torque value is required by the assembly drawing or equipment manual. Inspect the tapped hole for thread damage before installation. Do not substitute a metric hex key, as undersized drivers will round the socket. Follow applicable industry or equipment manufacturer torque specifications for the 1/4-20 thread class in use.