Value Collection MP39009 Hex Cap Screw 1/4-20 X 2-1/4 in Grade 8

Product Description

The Value Collection MP39009 is a 1/4-20 hex head cap screw designed for high-strength fastening applications in industrial and mechanical assemblies. Manufactured from Grade 8 steel with a zinc yellow dichromate finish, this screw delivers superior tensile strength and corrosion resistance compared to lower-grade fasteners. The partially threaded shank provides a bearing surface for clamping joints securely. Conforming to ASME B18.2.1, the MP39009 meets established dimensional and performance standards for inch-series hex cap screws. Each package contains 50 pieces. Licensed tradespeople and maintenance technicians working on HVAC equipment frames, electrical enclosures, and mechanical support structures rely on Grade 8 fasteners like this one where joint integrity is critical.

The MP39009 is suited for residential and commercial applications requiring a high-strength, partially threaded hex cap screw in a 1/4-20 UNC thread profile. Common install scenarios include securing equipment mounting brackets, structural supports, and panel assemblies where vibration resistance and clamping load are priorities. The zinc yellow dichromate finish provides a level of corrosion protection appropriate for indoor mechanical environments and some light-exposure applications.

Key Features

• Grade 8 steel construction for high tensile and proof load strength
• Zinc yellow dichromate finish for corrosion resistance and identification
• 1/4-20 UNC thread size, partially threaded shank per ASME B18.2.1
• 2-1/4 inch length under head for adequate grip in structural joints
• Packaged in quantities of 50 for job-site and shop use
• Inch measurement system, compatible with standard SAE tooling

Compatibility

Designed as a standard inch-series hex head cap screw for use in any application requiring a 1/4-20 UNC partially threaded fastener conforming to ASME B18.2.1 dimensional standards.

Installation Notes

Installation should be performed by a qualified mechanic or technician using the appropriate hex head socket or wrench sized for a 1/4-inch hex cap screw. Always de-energize and lock out equipment before fastening or removing hardware on electrical or mechanical assemblies. Verify thread engagement and joint clamping requirements before torquing. Do not substitute Grade 8 fasteners with lower-grade hardware in structural or high-load joints.