Value Collection 015511BR Hex Socket Cap Screw 7/8-9 Unc

Product Description

The VALUE COLLECTION 015511BR is a hex socket cap screw engineered for high-strength fastening applications in industrial, mechanical, and structural assemblies. Manufactured from alloy steel with a black oxide finish, it provides solid corrosion resistance and reduced light reflection in service environments. The screw features a 7/8-9 UNC thread size, a 4.5-inch length under head, and is driven with a 3/4-inch hex socket tool. It is partially threaded, which helps maintain clamping force and resist loosening under load. This fastener is suited for maintenance, OEM assembly, and field repair work performed by millwrights, pipefitters, and mechanical contractors.

This cap screw is appropriate for use in heavy-duty bolted joint assemblies where high tensile strength and precise thread engagement are required. The 7/8-9 UNC coarse thread pitch is common in general industrial and machine-building applications, making this fastener a standard choice for equipment assembly, structural connections, and replacement fastener needs across a wide range of commercial and industrial settings.

Key Features

• 7/8-9 UNC coarse thread for broad compatibility in industrial fastening applications
• 4.5-inch length under head with partial threading for secure clamping performance
• 3/4-inch hex socket drive for use with standard socket wrenches and torque tools
• Alloy steel construction delivers high tensile strength and load-bearing capacity
• Black oxide finish provides moderate corrosion resistance and a low-reflectance surface
• Meets ASME/ANSI B18.3, ASTM A574, and IFI 124 fastener standards

Compatibility

Designed as a standard 7/8-9 UNC hex socket cap screw suitable for use in industrial machinery, structural assemblies, and mechanical equipment requiring ASME/ANSI B18.3 and ASTM A574 compliant fasteners.

Installation Notes

Installation should be performed by qualified mechanical, industrial, or maintenance trade professionals. De-energize or lock out all related equipment before fastener installation or removal per applicable OSHA lockout/tagout procedures. Use a calibrated torque wrench with the correct 3/4-inch hex socket to achieve proper clamping force without overstressing the joint. Inspect threads and mating surfaces for damage or contamination before assembly.