Value Collection HCI40870325N-005BX Hex Head Bolt A490

Product Description

The VALUE COLLECTION HCI40870325N-005BX is a hex head bolt manufactured from Grade A490 steel to meet ASTM A490 structural fastener requirements. It features a 7/8-9 thread (UNC standard) and a 3-1/4 inch length under head with partial threading. The uncoated, bright finish leaves the steel in its natural state, which is typical for high-strength structural applications where coating would interfere with load calculations or inspection. This fastener is installed by structural ironworkers, steel erectors, and industrial maintenance mechanics working on bolted structural steel connections.

This bolt is suited for heavy structural and industrial bolted joint assemblies requiring a certified high-strength fastener. ASTM A490 designates a quenched-and-tempered alloy steel hex bolt engineered for structural steel connections in commercial, industrial, and infrastructure construction. Partial threading keeps the shank smooth across the bearing zone of the joint, which is the correct configuration for most slip-critical and bearing-type connections where thread engagement in the shear plane must be avoided.

Key Features

• ASTM A490 certified high-strength structural hex bolt
• 7/8-9 UNC thread for standard structural connection hardware
• 3-1/4 inch length under head, partially threaded for shear-zone integrity
• Uncoated bright finish for direct use or field inspection per ASTM requirements
• Inch measurement system for compatibility with standard structural hardware

Compatibility

Designed as an OEM-style replacement or direct-use fastener for structural steel bolted connections requiring ASTM A490 high-strength hex bolts in 7/8-9 UNC thread size.

Installation Notes

Installation of ASTM A490 structural bolts must be performed by qualified personnel in accordance with the AISC Specification for Structural Steel Buildings and applicable project specifications. Power down or de-energize any adjacent electrical systems before working in structural assemblies where such hazards exist. Use calibrated torque wrenches or tension-control tools as required by the connection design — do not substitute standard installation torque values without engineering approval. Inspect bolt markings and lot certifications before installation to confirm ASTM A490 compliance.