Value Collection MP99055 Hex Head Cap Screw 3/8-16 Grade 8

Product Description

The VALUE COLLECTION MP99055 is a fully threaded hex head cap screw designed for high-strength bolted connections in general industrial and mechanical applications. Manufactured from Grade 8 steel with a bright, uncoated finish, this fastener meets ASME B18.2.1 and SAE J429 standards. The 3/8-16 UNC thread size and 1-1/4 inch length under head make it a common choice for structural assemblies, equipment mounting, and maintenance repairs where superior tensile strength is required. Sold in a pack of 25, this screw is a practical stocking item for trades professionals who need reliable Grade 8 fasteners on hand.

This hex head cap screw is suited for residential and light commercial mechanical work, including HVAC equipment mounting, electrical panel support structures, plumbing fixture brackets, and general equipment fabrication. The fully threaded shank provides maximum thread engagement across the full grip length, making it well suited for thinner material assemblies or applications where a nut is used at or near the head. Licensed tradespeople and maintenance technicians across multiple disciplines commonly stock this size for field repairs and scheduled maintenance work.

Key Features

• Grade 8 steel construction for high tensile and proof-load strength
• Fully threaded shank for maximum thread engagement
• 3/8-16 UNC thread form per ASME B18.2.1 and SAE J429 standards
• Bright, uncoated finish — suitable for dry or interior applications
• 1-1/4 inch length under head for versatile fitment in standard assemblies
• Pack of 25 for efficient stocking and field use

Compatibility

Designed as a standard UNC hex head cap screw compatible with any 3/8-16 threaded hole or nut following ASME B18.2.1 specifications in inch-system mechanical assemblies.

Installation Notes

Installation is appropriate for general mechanics, maintenance technicians, and licensed tradespeople using standard hand or power tools with a 9/16 inch hex socket or wrench. Apply Grade 8 fasteners only in joints rated for high-strength hardware, and verify that mating nuts or tapped holes are also rated for the corresponding load. Do not install uncoated steel fasteners in exterior or wet environments without appropriate corrosion protection. Follow applicable equipment manufacturer torque guidelines and relevant codes for the system being assembled.