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The HILLMAN FASTENERS 200228 is a Grade 5 hex cap screw designed for high-strength bolted connections in structural, mechanical, and equipment assembly applications. Manufactured from heat treated steel with a coarse thread profile of 1/2-13, this fastener provides reliable clamping force in demanding conditions. Sold in a 50-count pack, it is a standard specification bolt widely used by contractors, millwrights, equipment technicians, and maintenance trades. The 1/2-13 x 1-1/2 inch dimensions make it a common size for general structural fastening where medium-high tensile strength is required.
This hex cap screw is suited for residential and commercial construction, HVAC equipment mounting, mechanical installations, and general industrial maintenance. The coarse thread makes it faster to drive and more resistant to cross-threading in field conditions. Grade 5 heat treated steel provides proof load and tensile strength well above standard hardware-grade fasteners, making it appropriate for vibration-prone mechanical assemblies and structural connections. Installers working under SAE or ASTM standards will recognize this as a go-to bolt for medium-duty structural work.
Designed as a standard 1/2-13 UNC Grade 5 hex cap screw compatible with any application requiring a half-inch coarse thread bolt to SAE or equivalent specifications.
Installation should be performed by a qualified trades professional using the appropriate hex socket or open-end wrench sized for a 1/2-inch bolt head. Apply a fastener-grade lubricant or thread locker as required by the assembly specification. Torque to the Grade 5 specification for the applicable joint design per the governing mechanical or structural standard. Always inspect threads on both fastener and mating nut or tapped hole before assembly to ensure proper engagement.
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