Value Collection HCI20500250G-025BX Hex Head Bolt 1/2-13

Product Description

The VALUE COLLECTION HCI20500250G-025BX is a partially threaded hex head bolt designed for general structural and mechanical fastening applications. It features a 1/2-13 UNC thread size and a length under head of 2.5 inches. Manufactured from Grade 2 steel with a hot-dipped galvanized finish, this bolt meets ASTM A307 standards, providing reliable corrosion resistance in outdoor, wet, and moderately corrosive environments. Licensed tradespeople working in construction, plumbing, HVAC equipment mounting, and electrical panel installation regularly specify ASTM A307 hardware for code-compliant assemblies. Partial threading allows for stronger clamping in through-bolt configurations where the shank spans a joint.

This bolt is suited for residential and light commercial construction projects where galvanized fasteners are required by spec or local code. Typical applications include structural framing connections, equipment base mounting, pipe hanger assemblies, and general fabrication work. The hot-dipped galvanized coating provides a heavier zinc layer than electroplating, making it appropriate for pressure-treated lumber contact and exterior installations where extended service life is required.

Key Features

• 1/2-13 UNC thread for wide compatibility with standard nuts and tapped hardware
• 2.5-inch length under head for moderate-depth fastening applications
• Grade 2 steel construction meeting ASTM A307 standard
• Hot-dipped galvanized finish for corrosion resistance in outdoor and wet environments
• Partially threaded shank for improved clamping force across joint interfaces
• Inch measurement system for compatibility with standard US trade tooling

Compatibility

Designed for use with standard 1/2-13 UNC hex nuts, flat washers, and lock washers in inch-series fastener assemblies. Suitable for applications requiring ASTM A307 Grade 2 galvanized hex bolts.

Installation Notes

Installation is performed with a standard hex wrench or socket set sized for a 1/2-inch bolt head. Always de-energize electrical systems and relieve pressure from plumbing or HVAC assemblies before fastening or disassembling bolted connections. Consult applicable codes such as the IBC or IFGC for torque and fastener requirements specific to your application. Do not mix galvanized hardware with dissimilar metals in corrosive environments without appropriate isolation to prevent galvanic reactions.