Value Collection 822338MSC Flange Bolt 3/4-10 Unc 3 in Grade 8

Product Description

The VALUE COLLECTION 822338MSC is a partially threaded smooth flange bolt designed for high-strength fastening applications where a built-in bearing surface is required. Sized at 3/4-10 UNC with a 3-inch length under the head, this bolt features a 1-19/32-inch (1.5938-inch) integral smooth flange that distributes clamping load across a wider area without a separate washer. It is manufactured from Grade 8 alloy steel with a phosphate and oil finish that provides baseline corrosion resistance and lubricity during installation. The thread length is 1-3/4 inches, leaving a smooth shank section between the flange and the start of threads. This fastener meets SAE J429 Grade 8 requirements and is driven with a standard hex wrench or socket.

This bolt is suited for heavy-duty mechanical assemblies where Grade 8 tensile strength and a captive flange bearing surface are specified. Typical applications include structural equipment frames, machinery mounting, automotive and truck chassis work, agricultural equipment, and industrial fabrication. The smooth flange style is appropriate where a clean bearing face is needed without a serrated grip pattern. Trade professionals and maintenance mechanics working in manufacturing, fleet, and equipment service environments regularly specify this fastener type for high-load joints.

Key Features

• 3/4-10 UNC thread form, partially threaded with 1-3/4 inch thread length
• 3-inch length under head for use in deeper joint stacks
• Integral smooth flange at 1-19/32 inches (1.5938 inches) diameter eliminates need for a separate flat washer
• Grade 8 alloy steel construction meets SAE J429 high-strength requirements
• Phosphate and oil finish provides corrosion resistance and controlled friction during torquing
• Hex drive compatible with standard sockets and wrenches

Compatibility

Designed as a standard 3/4-10 UNC Grade 8 smooth flange bolt for use in any application requiring SAE J429 Grade 8 inch-series fasteners with an integral flange bearing surface.

Installation Notes

Installation is performed by qualified mechanics or tradespeople following applicable fastener torque specifications for Grade 8, 3/4-10 UNC bolts as defined by the joint design engineer or equipment service manual. Always verify hole clearance and joint material compatibility before installation. Apply torque values from a calibrated torque wrench; do not substitute impact tools for final torquing in precision joints. Inspect threads and flange face for damage before installation and discard any fastener showing deformation or corrosion.