Value Collection 011551BR Hex Socket Cap Screw 1-8 Unc

Product Description

The VALUE COLLECTION 011551BR is a hex socket cap screw designed for high-strength fastening applications in industrial, mechanical, and structural assemblies. It features a 1-8 UNC thread size with a 7-inch length under the head and is partially threaded for proper load-bearing engagement. Made from alloy steel with a black oxide finish, it offers good corrosion resistance in moderate environments. The 3/4-inch hex drive socket interface requires a standard hex key or Allen driver for installation and removal. This screw conforms to ASME/ANSI B18.3 and ASTM A574 standards, making it a recognized choice for demanding fastener applications.

This socket cap screw is suited for machinery assembly, tooling fixtures, fabrication, and general industrial mechanical work where a recessed drive head and high tensile strength are required. It is commonly installed by machinists, millwrights, and maintenance technicians in both shop and field environments. The partially threaded shank is typical for applications where the unthreaded portion must pass through a clearance hole before engaging a tapped bore.

Key Features

• 1-8 UNC thread size for coarse-thread fastening in steel and heavy-duty assemblies
• 7-inch length under head accommodates deep-reach clamping applications
• Partially threaded shank allows clearance-hole pass-through before thread engagement
• Alloy steel construction delivers high tensile strength per ASTM A574
• Black oxide finish provides moderate corrosion resistance and reduces light reflection
• 3/4-inch hex socket drive for use with standard Allen keys or hex socket drivers
• Meets ASME/ANSI B18.3 dimensional standards for socket head cap screws

Compatibility

Designed as a standard 1-8 UNC hex socket cap screw conforming to ASME/ANSI B18.3 and ASTM A574, suitable for use in any tapped 1-8 UNC hole or mating nut requiring a partially threaded socket head cap screw.

Installation Notes

Installation is performed by machinists, millwrights, or maintenance technicians using a 3/4-inch hex key or Allen driver. De-energize and lock out all relevant equipment before installing or removing fasteners in mechanical assemblies. Apply appropriate thread lubricant or anti-seize compound based on the service environment and torque requirements specified by the equipment manufacturer. Avoid cross-threading by hand-starting the screw before applying torque.