Value Collection 581846BR Hex Socket Cap Screw 1-14 Unf

Product Description

The VALUE COLLECTION 581846BR is a hex socket cap screw designed for high-strength fastening applications in industrial and mechanical assemblies. Manufactured from alloy steel with a black oxide finish coating, this fastener delivers solid corrosion resistance and reduced surface glare in demanding environments. It features a 1-14 UNF thread size, a 4.5 inch length under head, and accepts a 3/4 inch hex drive for precise torquing with standard Allen or hex socket tooling. This screw is partially threaded, which distributes clamping load along the shank and is well suited for applications requiring close-tolerance bolt fitment. Machinists, millwrights, and maintenance mechanics commonly install this type of fastener in machine frames, jigs, tooling fixtures, and structural assemblies.

This socket cap screw is appropriate for use in both industrial production and field maintenance settings where a fine-thread, high-strength fastener is required. The 1-14 UNF thread pitch provides greater thread engagement strength than coarse-thread equivalents, making it a preferred choice in applications subject to vibration or where material wall thickness limits thread depth. It meets ASME/ANSI B18.3 and ASTM A574 standards, which are widely specified in engineering drawings and OEM assembly documentation for machinery and fabricated metal structures.

Key Features

• 1-14 UNF fine-thread form for enhanced vibration resistance and thread engagement strength
• 4.5 inch length under head accommodates thick assemblies and deep bolt patterns
• 3/4 inch hex socket drive compatible with standard Allen wrenches and hex bit sockets
• Partially threaded shank for accurate alignment and shear load distribution
• Alloy steel construction meets ASTM A574 high-strength socket head cap screw requirements
• Black oxide finish coating reduces corrosion and minimizes light reflection in service environments

Compatibility

Designed as an OEM-style and general-service replacement hex socket cap screw for machinery, tooling fixtures, and fabricated metal assemblies requiring 1-14 UNF fine-thread fasteners conforming to ASME/ANSI B18.3 and ASTM A574 standards.

Installation Notes

Installation should be performed by a qualified mechanic or millwright using a properly sized 3/4 inch hex key or socket bit to prevent drive rounding and ensure accurate torque application. Verify thread engagement depth and confirm mating threads are clean and free of debris before assembly. De-energize, lock out, and tag out any associated machinery before fastener replacement or removal in accordance with applicable OSHA lockout/tagout procedures. Do not substitute a coarse-thread fastener in a fine-thread application, as thread mismatch will damage mating components.