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The VALUE COLLECTION R52001288 is a square head bolt designed for heavy-duty fastening applications in industrial, mechanical, and construction settings. It features a 3/4-10 UNC thread size with a 6-inch length under the head, manufactured from Grade 2 uncoated steel. The square head profile provides positive wrench engagement, reducing the risk of slippage under high torque. This bolt conforms to ANSI/ASME B18.2.1 dimensional standards and is commonly installed by millwrights, ironworkers, pipefitters, and general contractors working on structural and mechanical assemblies.
This fastener is suited for residential and commercial applications where a standard-strength, large-diameter threaded fastener is required. Common installation scenarios include equipment mounting, structural steel connections, jig and fixture assembly, and general mechanical fabrication. The uncoated steel finish makes it appropriate for indoor or protected environments or where a field-applied coating will be used after installation.
Designed as a standard ANSI/ASME B18.2.1 square head bolt for use with 3/4-10 UNC nuts, washers, and tapped assemblies in general mechanical and structural fastening applications.
Installation should be performed by a qualified tradesperson familiar with structural or mechanical fastening requirements. Ensure mating threads are clean and free of debris before assembly. Torque to the appropriate specification for Grade 2 steel fasteners as defined by the applicable engineering or code requirement for the assembly. Do not apply coatings or lubricants without confirming compatibility with the joint design.
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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