Value Collection CAI507502500-020BX Carriage Bolt 3/4-10

Product Description

The VALUE COLLECTION CAI507502500-020BX is a 3/4-10 UNC carriage bolt with a 2-1/2 inch length under head and a square neck profile. It is manufactured from Grade 5 steel with a zinc-plated finish that provides basic corrosion resistance for general fastening applications. The square neck seats flush into wood or soft material to prevent rotation during installation without requiring a wrench on the bolt head. This fastener is appropriate for structural assembly work in construction, millwork, HVAC equipment mounting, and similar trade applications where a smooth domed head and a non-turning shank are required.

This carriage bolt is suited for through-bolting wood-to-wood and wood-to-metal connections in residential and light commercial construction, equipment bases, and framing assemblies. The Inch measurement system and UNC thread form make it a standard fit for North American fastener applications. Installers working on HVAC equipment pads, structural brackets, or treated lumber assemblies will find this size and thread specification commonly specified in those contexts.

Key Features

• 3/4-10 UNC thread for standard North American fastener compatibility
• 2-1/2 inch length under head suits medium-depth through-bolt applications
• Square neck prevents rotation when driven into wood or soft substrates
• Grade 5 steel construction provides mid-range tensile strength for structural use
• Zinc-plated finish offers basic corrosion resistance in dry or mildly humid environments

Compatibility

Designed as a standard-specification 3/4-10 UNC carriage bolt for use in any application requiring a smooth round head, square neck, and Inch-system fastener in this thread size and length.

Installation Notes

Installation is performed with a standard wrench or socket on the mating nut while the square neck seats into the substrate to resist turning. Drill a clean through-hole sized to the bolt diameter before insertion. Power down or de-energize any associated equipment before fastening work on electrical or mechanical assemblies. Verify that the zinc-plated finish is appropriate for the exposure environment, as this coating is not rated for prolonged outdoor or chemically aggressive conditions.