Value Collection 586767PS 5/16-18 X 2-1/4 Flat Head Phillips Screw

Product Description

The VALUE COLLECTION 586767PS is a 5/16-18 x 2-1/4 inch flat head Phillips machine screw manufactured from steel with a zinc finish. It features a flat countersunk head profile and a Phillips drive, making it suited for flush-mount fastening applications where the fastener head must sit at or below the surface of the material. The screw meets ASME B18.6.3 and SAE J82 standards, confirming dimensional and mechanical compliance for inch-series machine screws. Overall length is 2-1/4 inches with length measured from under the head, and the thread specification is 5/16-18 UNC coarse thread. This fastener is handled and installed by machinists, maintenance technicians, and field service professionals across a wide range of industries.

This screw is used in general mechanical assembly, equipment maintenance, and industrial fabrication applications where a countersunk flat head is required. The 5/16-18 coarse thread is one of the most common inch-series thread sizes in North American trade work and is found in machine frames, panel mounting, and structural fastening applications. The zinc finish provides light corrosion resistance suitable for indoor and protected environments. Minimum order quantity is 10 units per order.

Key Features

• 5/16-18 UNC coarse thread for broad compatibility with standard tapped holes and nuts
• Flat countersunk head sits flush with or below the mating surface
• Phillips drive for fast installation with standard power and hand tools
• Steel construction with zinc finish for light corrosion resistance
• Meets ASME B18.6.3 and SAE J82 dimensional and material standards
• Overall length 2-1/4 inches, measured as full overall length

Compatibility

Designed for use in standard 5/16-18 tapped holes in steel, aluminum, and other materials where an inch-series flat head Phillips machine screw is specified per ASME B18.6.3.

Installation Notes

Installation is performed by machinists, maintenance mechanics, or general tradespeople using a Phillips screwdriver or Phillips bit with a power driver. Always verify that the receiving hole is tapped to 5/16-18 UNC and that the countersink angle matches the flat head profile before installation. De-energize and lock out any equipment before fastener replacement on live machinery. Do not overtorque steel screws into soft base materials such as aluminum without consulting appropriate torque references for the application.