Value Collection HCI21002800G6 Hex Head Bolt 1-8 Unc 28in

Product Description

The VALUE COLLECTION HCI21002800G6 is a heavy-duty hex head bolt engineered for structural and general-purpose fastening applications. It features a 1-8 UNC thread size with 28 inches of length measured under the head, and is partially threaded to allow clamping force across unthreaded shank sections. Manufactured from Grade 2 steel with a hot-dipped galvanized finish, this bolt meets ASTM A307 standards, making it appropriate for use in load-bearing connections where corrosion resistance is required. Licensed tradespeople and construction professionals working on structural assemblies, equipment mounting, and outdoor installations will find this bolt suited to their needs.

This bolt is commonly used in commercial and residential construction, infrastructure work, equipment anchoring, and any application where a large-diameter, long-reach fastener is specified. The hot-dipped galvanized coating provides a thick zinc layer that resists rust and corrosion in outdoor or high-moisture environments. The 1-8 UNC thread pattern is a standard coarse-thread configuration widely used across structural and mechanical assemblies. Partial threading preserves the shank integrity for applications where shear load transfer across the unthreaded body is a design requirement.

Key Features

• 1-8 UNC coarse thread, partially threaded for shear-load applications
• 28-inch length under head for deep-reach or through-bolt installations
• Grade 2 steel construction meeting ASTM A307 fastener standards
• Hot-dipped galvanized finish for corrosion resistance in outdoor and wet environments
• Inch measurement system, standard hex head drive

Compatibility

Designed as a standard 1-8 UNC Grade 2 hex head bolt for use with compatible nuts and washers in structural, mechanical, and construction assemblies requiring ASTM A307 compliant fasteners.

Installation Notes

Installation should be performed by a qualified tradesperson following applicable structural or mechanical codes. Always use a properly rated hex socket or wrench to avoid rounding the head. Verify that the mating nut and any washers are rated and sized for 1-8 UNC thread and compatible with the galvanized finish to prevent galvanic issues. Inspect threads for damage before installation and do not use impact tools without torque verification per the applicable project specification.