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The VALUE COLLECTION KP44110 is a 5/8-11 hex head cap screw designed for high-strength fastening applications in industrial, mechanical, and trade installations. Manufactured from Grade 8 steel with a zinc-plated finish, this fastener delivers elevated tensile strength and corrosion resistance for demanding environments. The screw is fully threaded along its 1-inch length under the head, following the Unified National Coarse (UNC) thread standard. It meets ASTM A354 BD requirements, making it suitable for structural and mechanical assemblies where proven material certification matters. This item is sold in a pack of 50.
This fastener is used across a wide range of trade and industrial applications including HVAC equipment mounting, mechanical equipment frames, structural steel connections, and general machinery assembly. The Grade 8 rating and zinc plating make it appropriate for both indoor and outdoor installations where moderate corrosion exposure and high clamping force are required. Licensed contractors, millwrights, and maintenance technicians commonly use this screw type when assembling heavy equipment or securing structural components.
Designed for use with standard 5/8-11 UNC nuts, flat washers, lock washers, and tapped holes conforming to the Unified National Coarse thread standard in inch measurement systems.
Installation should be performed by qualified tradespeople familiar with fastener torque requirements for Grade 8 hardware. Always verify thread engagement depth and use appropriately rated nuts or tapped holes rated for Grade 8 loads. Use a calibrated torque wrench to achieve proper clamp load per applicable engineering specifications. Inspect zinc plating for damage before installation in corrosive environments.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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