Value Collection 822836MSC Smooth Flange Bolt 1/4-20 Unc

Product Description

The VALUE COLLECTION 822836MSC is a partially threaded smooth flange bolt designed for high-strength fastening applications in mechanical, industrial, and trade assembly work. Built from Grade 8 alloy steel with a phosphate and oil finish for corrosion resistance, this bolt features a 1/4-20 UNC thread and measures 3 inches in length under the head. The integrated smooth flange distributes clamping load across a wider bearing surface, reducing the need for a separate washer. Electricians, pipefitters, HVAC installers, and general mechanical tradespeople use this style of fastener where vibration resistance and load distribution are priorities.

This bolt is suited for residential and commercial mechanical system assemblies, equipment mounting, and structural fastening tasks that require a high-strength inch-series fastener. The 1/4-20 UNC thread form is one of the most common coarse-thread standards in North American trade work, making this bolt compatible with a wide range of tapped holes and standard hex nuts. With a 3/4-inch threaded length and 3-inch overall length under head, it provides a substantial unthreaded shank for shear-load applications.

Key Features

• Grade 8 alloy steel construction for high tensile and proof-load strength
• Phosphate and oil finish provides baseline corrosion and wear resistance
• Smooth flange diameter of 9/16 inches distributes clamp load without a separate washer
• Partially threaded shank (3/4-inch thread length) supports shear-load applications
• 1/4-20 UNC coarse thread for broad compatibility with standard tapped holes and nuts
• Meets SAE J429 fastener standard for mechanical and physical properties

Compatibility

Designed as a standard inch-series smooth flange bolt for use with 1/4-20 UNC tapped holes and compatible hex nuts in mechanical, HVAC, electrical, and industrial assembly applications.

Installation Notes

Installation is typically performed by mechanical or maintenance tradespeople using a standard hex wrench or socket set sized for the hex drive head. Ensure the mating tapped hole or nut is clean, undamaged, and matches the 1/4-20 UNC thread specification before driving. Verify equipment is de-energized and de-pressurized before replacing or tightening fasteners on mechanical systems. Follow applicable torque specifications for Grade 8 fasteners as defined by SAE J429 or your project engineering requirements.