Value Collection D39054 Hex Head Cap Screw 3/8-16 X 1 in Grade 8

Product Description

The VALUE COLLECTION D39054 is a fully threaded hex head cap screw in the 3/8-16 thread size with a 1-inch length under head. Manufactured from Grade 8 steel, it carries a zinc yellow dichromate finish that provides corrosion resistance in demanding service environments. The fastener conforms to ASME B18.2.1, the standard governing inch-series hex cap screws, ensuring dimensional consistency for structural and mechanical assembly applications. Grade 8 steel delivers higher tensile and proof load ratings compared to lower-grade fasteners, making this screw appropriate where joint integrity under high stress or vibration is a requirement.

This hex head cap screw is suited for heavy-duty mechanical assemblies, equipment mounting, structural connections, and general industrial maintenance. Its UNC thread form is the most common inch-series thread standard, compatible with standard UNC tapped holes and hex nuts. Fully threaded construction provides maximum thread engagement across the full grip length, which is advantageous in thin-material or short-engagement applications. Trade installers, millwrights, and maintenance technicians working in HVAC equipment, plumbing support structures, and electrical panel mounting will find this fastener appropriate for high-load bolted joints requiring a standard hex drive tool.

Key Features

• Grade 8 steel construction for high tensile strength in heavy-duty bolted joints
• Zinc yellow dichromate finish for corrosion resistance in industrial environments
• Fully threaded shank for maximum thread engagement across the full 1-inch length under head
• UNC thread form compatible with standard 3/8-16 tapped holes and hex nuts
• Conforms to ASME B18.2.1 for dimensional accuracy and interchangeability
• Minimum order quantity of 25 pieces ensures job-site supply availability

Compatibility

Designed for use in standard UNC 3/8-16 tapped holes and with 3/8-16 hex nuts in heavy-duty mechanical and structural assembly applications requiring Grade 8 fastener specifications.

Installation Notes

Installation should be performed with a properly sized hex wrench or socket driver. Follow applicable torque specifications from the equipment manufacturer or relevant structural standards for Grade 8, 3/8-16 fasteners. Ensure the mating tapped hole or nut is also rated for the load being applied. Do not mix Grade 8 hardware with lower-grade nuts or threaded inserts that may not support equivalent load ratings.