Value Collection 825070MSC Serrated Flange Bolt 1/4-20 Unc

Product Description

The VALUE COLLECTION 825070MSC is a serrated flange bolt designed for secure fastening in applications where a built-in locking action is required. The serrated flange spreads clamping load across a wider bearing surface while the teeth bite into the mating material to resist loosening from vibration. Manufactured from Grade 5 steel with a zinc-plated finish for corrosion resistance, this bolt features a 1/4-20 UNC fully threaded shank with a length under head of 2-3/4 inches. It is driven with a standard hex drive and conforms to ASME B18.6.3 and SAE J429 standards. Installers in HVAC, plumbing, electrical, and general mechanical trades will find this fastener suited to panel, bracket, and equipment mounting tasks.

This bolt is appropriate for residential and light commercial assembly and maintenance work where a one-piece flange locking fastener replaces a separate bolt-and-washer combination. The 0.56-inch flange diameter provides a moderate bearing footprint suitable for sheet metal, fabricated brackets, and equipment enclosures. The fully threaded shank allows engagement along the entire bolt length, making it practical for thin-material clamping or short-depth tapped holes. Minimum order quantity is 50 pieces per order.

Key Features

• Serrated flange provides vibration-resistant locking without a separate lock washer
• Fully threaded shank for maximum thread engagement across varied material thicknesses
• Grade 5 steel construction meets SAE J429 mechanical property requirements
• Zinc-plated finish adds corrosion resistance for indoor and sheltered outdoor environments
• Hex drive compatible with standard sockets and wrenches
• Conforms to ASME B18.6.3 dimensional standards for consistent fit

Compatibility

Designed as a standard 1/4-20 UNC serrated flange bolt for use in any application requiring a hex-drive flange fastener conforming to ASME B18.6.3 and SAE J429 specifications.

Installation Notes

Install using a hex socket or open-end wrench sized for the bolt head. Ensure the mating surface is clean and flat so the serrated flange seats fully and the teeth can engage the substrate. Do not use a flat washer between the flange and the mating surface, as this will defeat the serration locking function. Follow applicable torque guidelines from the relevant equipment service manual or fastener torque tables for 1/4-20 Grade 5 fasteners.