Value Collection D30009 Hex Head Cap Screw 1/4-20 X 2-1/4 in

Product Description

The VALUE COLLECTION D30009 is a 1/4-20 UNC hex head cap screw designed for general mechanical fastening applications in trade and industrial settings. Measuring 2-1/4 inches under the head with partial threading, this fastener meets ASME B18.2.1 dimensional standards. Manufactured from Grade 5 steel with a zinc-plated finish, it delivers reliable tensile strength and corrosion resistance suitable for moderate-duty structural and mechanical connections. Electricians, plumbers, HVAC technicians, and general contractors commonly use hardware of this specification when assembling equipment, securing brackets, or mounting system components.

This cap screw is suited for use in light to medium-duty fastening applications across residential and commercial trade work. The 1/4-20 thread size is one of the most common inch-series UNC sizes, making it widely applicable in equipment assembly, panel mounting, and fixture installation. Partial threading allows the shank to bear shear loads more effectively than a fully threaded fastener of the same length, which is useful when clamping two or more members together.

Key Features

• Grade 5 steel construction provides solid tensile and proof load performance for mechanical fastening
• Zinc-plated finish offers baseline corrosion protection in typical indoor and sheltered environments
• Partially threaded shank improves shear load handling and clamping accuracy
• Conforms to ASME B18.2.1 dimensional standard for consistent fit with standard 1/4-20 nuts and hardware
• UNC thread form is the standard inch-series coarse thread, broadly compatible with off-the-shelf nuts, inserts, and tapped holes

Compatibility

Designed for use with standard 1/4-20 UNC nuts, washers, and tapped holes conforming to inch-series thread specifications. Suitable as a general-purpose hex head cap screw in mechanical, electrical, and plumbing equipment assembly applications.

Installation Notes

Installation should be performed by qualified tradespeople following applicable mechanical or building codes. Always de-energize electrical panels and shut off relevant systems before fastening hardware in proximity to live equipment. Use a properly sized wrench or socket to drive the hex head — do not use pliers, which can damage the head and affect torque consistency. Verify that the mating nut or tapped hole matches the 1/4-20 UNC thread specification before installation to avoid cross-threading.