Value Collection 99498 Hex Head Cap Screw 1/2-20 X 2 in Grade 8

Product Description

The VALUE COLLECTION 99498 is a 1/2-20 hex head cap screw manufactured from Grade 8 steel in an uncoated finish. This partially threaded fastener measures 2 inches under the head and conforms to ASME B18.2.1 dimensional standards. Grade 8 steel delivers high tensile strength suitable for demanding mechanical and structural applications. The uncoated surface is appropriate for dry or protected indoor installations where corrosion resistance is not a primary requirement. This screw is sold in a package quantity of 50 and is installed by mechanics, millwrights, maintenance technicians, and other trade professionals working with heavy-duty fastened assemblies.

This fastener is suited for use in mechanical assemblies, equipment mounting, structural connections, and maintenance applications where high-strength inch-series hardware is required. The 1/2-20 UNF thread series provides finer thread engagement than a coarse-thread equivalent, making it a common choice where vibration resistance or precise torque control is needed. Typical applications include industrial machinery, automotive equipment, and structural steel connections in trade and maintenance environments.

Key Features

• Grade 8 steel construction for high tensile and proof load strength
• 1/2-20 UNF thread form provides fine-thread engagement and vibration resistance
• Partially threaded shank allows for precise clamping in bolted joint applications
• Meets ASME B18.2.1 dimensional standard for hex head cap screws
• Uncoated finish suitable for dry or protected service environments
• Sold in a 50-piece package for job-site and shop inventory use

Compatibility

Designed as an OEM-style replacement or standard-inventory fastener for mechanical assemblies requiring 1/2-20 UNF Grade 8 hex head cap screws conforming to ASME B18.2.1.

Installation Notes

Installation is performed by mechanics, millwrights, or maintenance technicians using standard hand or power tools with the appropriate 3/4-inch hex socket or wrench. Always torque to the fastener and joint specification required by the assembly design. De-energize and lock out all equipment before servicing any fastened assembly per applicable safety regulations. Do not use uncoated fasteners in exterior or corrosive environments without additional protection such as thread sealant or a protective coating.