Value Collection MS16997-65 Hex Socket Cap Screw 1/4-20

Product Description

The VALUE COLLECTION MS16997-65 is a hex socket cap screw designed for high-strength fastening applications in industrial, mechanical, and structural assemblies. Built to ASME B18.3 standards from 4037-grade alloy steel, this screw features a 1/4-20 UNC thread and measures 1-3/4 inches in length under the head. The 3/16-inch hex drive socket accepts a standard hex key or Allen wrench for installation into tight or recessed locations. The yellow cadmium plating provides corrosion resistance and is visually distinguishable for inspection and quality-control purposes. This is a partially threaded fastener, making it suitable for applications where the unthreaded shank provides bearing load transfer or alignment.

This screw is appropriate for use in precision machinery, aerospace-adjacent equipment, tooling fixtures, and mechanical assemblies where controlled thread engagement and material strength are required. The 1/4-20 UNC thread is one of the most common coarse-thread sizes in inch-standard fastener applications, making this part a practical replacement or service fastener in a wide range of industrial equipment. Installation is performed by machinists, millwrights, and maintenance technicians working with inch-standard hardware. Sold individually with a minimum order quantity of 5 pieces.

Key Features

• 4037-grade alloy steel construction for high tensile strength and durability
• Yellow cadmium plating provides corrosion resistance and easy visual identification
• Partially threaded shank allows for bearing load transfer and precise alignment
• 3/16-inch hex socket drive accommodates standard hex keys in confined spaces
• Meets ASME B18.3 dimensional standards for inch-series socket cap screws
• 1/4-20 UNC coarse thread for broad compatibility with standard inch-series tapped holes

Compatibility

Designed as a standard ASME B18.3 hex socket cap screw for use in any inch-series tapped hole with a 1/4-20 UNC thread specification requiring a 1-3/4-inch length under head.

Installation Notes

Install using a 3/16-inch hex key or Allen wrench torqued to the value specified by the equipment manufacturer for 1/4-20 alloy steel fasteners. Ensure the mating tapped hole is clean and free of debris before driving the screw. Do not exceed the designed thread engagement depth. Follow applicable industry standards and equipment service documentation when replacing fasteners in load-bearing or safety-critical assemblies.