Value Collection 88548789 5/16-18 X 1 in Hex Cap Screw Gr5

Product Description

The VALUE COLLECTION 88548789 is a fully threaded hex head cap screw sized 5/16-18 x 1 inch, manufactured from Grade 5 steel with a zinc-plated finish. Grade 5 steel provides a dependable combination of tensile strength and ductility suited for general mechanical and structural fastening applications. The zinc plating adds a baseline layer of corrosion resistance, making it appropriate for indoor and sheltered outdoor assemblies. This fastener follows the UNC (Unified National Coarse) thread standard and is measured by length under head. It is sold in a package of 5 pieces, with a minimum order quantity of 5.

This screw is used across a wide range of trade and light industrial applications, including HVAC equipment assembly, electrical enclosure mounting, plumbing fixture attachment, and general mechanical maintenance. The 5/16-18 UNC thread is one of the most common coarse-thread sizes encountered in equipment service work, making this a practical stock fastener for field technicians and maintenance professionals who need reliable Grade 5 hardware on hand.

Key Features

• 5/16-18 UNC fully threaded hex head cap screw
• Grade 5 steel construction for reliable tensile strength in general fastening
• Zinc-plated finish for baseline corrosion resistance
• 1 inch length under head for consistent depth measurement
• Hex drive head accepts standard hex wrenches and sockets
• Sold in a pack of 5 pieces

Compatibility

Designed as a general-purpose Grade 5 UNC hex head cap screw suitable for standard 5/16-18 threaded applications in mechanical, HVAC, electrical, and plumbing assemblies.

Installation Notes

Installation is typically performed by maintenance technicians or trade professionals using a standard hex wrench, socket wrench, or nut driver sized for a 5/16-inch hex head. Always ensure mating threads are clean and free of debris before driving the fastener. Do not overtighten, as Grade 5 fasteners have defined proof load limits that can be exceeded with power tools set to high torque. Zinc plating offers limited corrosion protection, so evaluate suitability before using in continuously wet or chemically exposed environments.