Value Collection A996027 Square Head Bolt 5/8-11 Unc 2in

Product Description

The VALUE COLLECTION A996027 is a Grade 5 steel square head bolt with a 5/8-11 UNC thread and 2 inches of length under the head. Square head bolts provide a larger wrench-bearing surface than hex head fasteners, making them well suited for high-torque applications and installations where a pipe wrench or adjustable wrench is the tool of choice. The uncoated steel finish is appropriate for dry interior environments. This part is sold in a package quantity of 25, meeting ANSI/ASME B18.2.1 dimensional standards for square head bolts.

Square head bolts in this thread size and grade are commonly used in mechanical, structural, and HVAC equipment assembly, as well as industrial maintenance and fabrication work. They are a standard fastener choice when secure clamping force and easy wrench engagement are required in tight or awkward access points. Licensed tradespeople and maintenance technicians in mechanical and construction trades routinely stock this size for equipment mounting and structural attachment tasks.

Key Features

• Grade 5 steel construction provides reliable tensile and yield strength for mechanical fastening applications
• 5/8-11 UNC thread form ensures broad compatibility with standard nuts, tapped holes, and threaded inserts
• 2-inch length under head suits a range of material stack thicknesses common in mechanical assemblies
• Square head geometry offers greater wrench contact area, reducing fastener rounding under high torque
• Uncoated finish — suitable for dry or protected environments; inspect for corrosion suitability before outdoor or wet use
• Meets ANSI/ASME B18.2.1 dimensional standards for consistent fit across suppliers and applications
• Package quantity of 25 supports job-lot stocking for maintenance and installation crews

Compatibility

Designed for use with standard 5/8-11 UNC hex or square nuts and any tapped hole or threaded component conforming to UNC 5/8-11 thread specifications per ANSI/ASME B18.2.1.

Installation Notes

Installation is typically performed by millwrights, mechanical contractors, or maintenance technicians using a pipe wrench, adjustable wrench, or square-drive socket. Ensure mating threads are clean and free of debris before installation. Follow applicable torque requirements for Grade 5 fasteners as specified by the equipment manufacturer or relevant structural code. Do not use in corrosive or high-moisture environments without verifying the uncoated finish is appropriate for the service condition.