Value Collection 204139 1/4-20 X 3 in Hex Cap Screw 316 Ss

Product Description

The VALUE COLLECTION 204139 is a 1/4-20 UNC hex head cap screw measuring 3 inches under the head, manufactured from Grade 316 stainless steel. Grade 316 stainless provides superior corrosion resistance compared to Grade 304, making it a reliable choice in wet, chemical, or marine environments. The 7/16-inch hex drive size is standard for this diameter, compatible with common hex sockets and wrenches. This fastener is suited for structural and mechanical assemblies where corrosion resistance is a critical requirement. Licensed tradespeople and maintenance professionals in HVAC, plumbing, and industrial service regularly specify 316 SS hardware for corrosive service conditions.

This hex head cap screw is appropriate for use in residential and commercial mechanical systems, outdoor installations, coastal environments, and applications involving exposure to chlorides, moisture, or mild chemicals. Typical installations include pipe hangers, equipment mounting, access panel fastening, and structural bracketing where standard carbon steel fasteners would be vulnerable to corrosion. The UNC thread standard ensures broad compatibility with standard inch-series tapped holes and hex nuts.

Key Features

• Grade 316 stainless steel construction for high corrosion resistance in wet and chemical environments
• 1/4-20 UNC thread for compatibility with standard inch-series tapped holes and nuts
• 3-inch length under head for deep fastening applications
• 7/16-inch hex drive fits common sockets and open-end wrenches
• Inch measurement system with UNC thread standard

Compatibility

Designed as a standard 1/4-20 UNC hex head cap screw for use with any inch-series tapped hole or hex nut of the same thread specification.

Installation Notes

Installation is performed with a 7/16-inch hex socket or open-end wrench. Ensure mating threads are clean and free of debris before installation. Do not overtighten stainless steel fasteners, as galling can occur on stainless-to-stainless thread contact. Applying an anti-seize compound to the threads is common practice when fastening stainless hardware into stainless or aluminum tapped holes.