Value Collection KP44090 Hex Head Cap Screw 1/2-13 X 5 in Grade 8

Product Description

The VALUE COLLECTION KP44090 is a 1/2-13 x 5-inch hex head cap screw manufactured from Grade 8 steel with a zinc-plated finish. It features partial threading along the shank and conforms to the UNC thread standard. This fastener meets ASTM A354 BD specifications, making it suitable for high-strength structural and mechanical bolted connections. It is installed by maintenance technicians, millwrights, pipefitters, and general tradespeople working on equipment assemblies, structural steel work, and industrial machinery where high tensile strength is required.

This screw is used in commercial and industrial applications where a high-strength, partially threaded fastener is needed to clamp two or more components together with a bearing shank. The partial thread design keeps the unthreaded shank in the shear plane of the joint, which is a common requirement in structural and mechanical assemblies. Typical install scenarios include equipment mounting, machinery frames, and general heavy-duty bolted connections.

Key Features

• Grade 8 steel construction provides high tensile and proof load strength
• Zinc-plated finish offers basic corrosion resistance for indoor and light-duty outdoor use
• Partial threading keeps unthreaded shank in the shear plane for structural joints
• UNC (Unified National Coarse) thread form — 1/2-13 thread size for broad tool compatibility
• Meets ASTM A354 BD standard for alloy steel bolts and screws
• Sold in a package quantity of 10

Compatibility

Designed as a high-strength replacement or stocking fastener for applications requiring a 1/2-13 UNC partially threaded hex head cap screw in Grade 8 steel. Suitable for use with standard 1/2-13 UNC hex nuts and threaded holes conforming to UNC tolerances.

Installation Notes

Installation is performed by qualified tradespeople or maintenance mechanics using a standard hex wrench or impact driver sized for a 3/4-inch hex head. De-energize and lock out any equipment before fastener replacement per OSHA lockout/tagout procedures. Always use the appropriate grade and size of nut or tapped hole to match the Grade 8 fastener rating. Do not substitute lower-grade hardware in joints specified for Grade 8 fasteners.