Value Collection -33707-1 Hex Socket Cap Screw 7/8-9 Unc

Product Description

The VALUE COLLECTION -33707-1 is a fully threaded hex socket cap screw designed for high-strength fastening applications in mechanical, structural, and industrial assemblies. It features a 7/8-9 UNC thread size and a 2.5-inch length under head, with a 3/4-inch hex drive that accepts standard hex keys and socket tooling. The fastener is manufactured from alloy steel with a black oxide finish coating, which provides mild corrosion resistance and reduces surface glare. This cap screw meets ASME/ANSI B18.3 and ASTM A574 standards, making it suitable for demanding load-bearing connections. Machinists, millwrights, and maintenance technicians are the primary installers of this fastener type.

This screw is appropriate for use in heavy equipment assembly, industrial machinery mounting, and structural fastening where high tensile strength and a recessed drive style are required. The fully threaded shank provides consistent clamping force along the entire grip length, which is useful in through-bolt and close-tolerance applications. The black oxide alloy steel construction makes it a common choice in manufacturing environments where standard zinc-plated fasteners are not specified. This item is sold individually but requires a minimum order quantity of 10 units.

Key Features

• 7/8-9 UNC fully threaded shank for consistent clamping across the full grip length
• 2.5-inch length under head accommodates standard assembly stack-ups
• 3/4-inch hex socket drive compatible with hex keys and socket tooling
• Alloy steel construction meets ASTM A574 high-strength fastener requirements
• Black oxide finish coating provides mild corrosion resistance and low surface reflectivity
• Conforms to ASME/ANSI B18.3 dimensional standards

Compatibility

Designed as an OEM-style replacement or direct-use fastener for industrial and mechanical assemblies requiring a 7/8-9 UNC hex socket cap screw per ASME/ANSI B18.3 and ASTM A574 specifications.

Installation Notes

Installation is performed by machinists, millwrights, or qualified maintenance technicians using a 3/4-inch hex key or socket driver. De-energize and lock out all equipment before servicing any fastened assembly. Ensure mating threads are clean and free of debris before installation. Follow applicable torque specifications from the equipment manufacturer or relevant industry standards for 7/8-9 UNC alloy steel fasteners.