Value Collection 711148MSC Smooth Flange Bolt 1/2-13 Unc

Product Description

The VALUE COLLECTION 711148MSC is a smooth flange bolt designed for high-strength fastening applications in mechanical, industrial, and structural assembly work. This partially threaded bolt features a 1/2-13 UNC thread size with 1-1/4 inches of thread length and a 2-1/4 inch length under head. Constructed from alloy steel rated at 170,000 psi tensile strength and conforming to ASTM A574, it delivers the load capacity required in demanding bolted joint applications. The smooth flange bearing surface distributes clamping load evenly without a separate washer. Drive is via a 12-point socket, and the finish is bright and uncoated.

This flange bolt suits applications in general industrial machinery, equipment assembly, and fabrication work where a high-strength UNC fastener with an integrated smooth flange is specified. The partially threaded shank provides a grip length appropriate for bolted connections requiring a defined unthreaded bearing zone. It is typically installed by machinists, millwrights, maintenance technicians, and industrial assembly professionals working to engineering or OEM torque specifications.

Key Features

• 1/2-13 UNC thread form with 1-1/4 inches of thread length for reliable engagement
• 2-1/4 inch length under head with partial threading for controlled grip length
• Alloy steel construction rated at 170,000 psi tensile strength per ASTM A574
• Smooth flange diameter of 0.735 to 0.750 inches provides integrated load distribution without a separate washer
• 12-point drive accepts standard 1/2 inch socket for high-torque installation
• Bright uncoated finish suitable for use in dry or controlled environments

Compatibility

Designed as a standard 1/2-13 UNC smooth flange bolt for use wherever ASTM A574 high-strength alloy steel fasteners are specified in inch-measurement bolted assemblies.

Installation Notes

Installation should be performed by qualified mechanical or industrial technicians following applicable engineering torque specifications for ASTM A574 alloy steel fasteners. Use a calibrated torque wrench with a 12-point 1/2 inch socket to achieve the required clamp load. Inspect mating threads and flange seating surface for contamination or damage before assembly. Apply thread lubricant only if specified by the joint design engineer, as lubrication affects torque-to-clamp-load relationships.