[500 BULK] Frame Bolts Flange Black Phospohate 5/16-18 X 3‘ Super Sale

Frame Bolts Flange Black Phospohate 5/16-18 X 3′ are built for strong, reliable framing connections. With a flange head, these bolts distribute pressure evenly for secure joints and easier installation in a variety of frame assemblies.

The Black Phospohate finish provides a durable, corrosion-resistant coating with a low-gloss appearance that blends into many environments. The 5/16-18 thread size is a standard choice for common framing applications, and the 3′ length offers flexibility for longer runs or multiple applications in one job.

Key features

Thread size: 5/16-18

Length: 3′ (3 feet)

Finish: Black Phospohate

Head type: Flange head for even load distribution

Application: Ideal for framing, equipment mounting, and secure joins

Designed for durability and dependable performance, these frame bolts resist loosening under typical vibration and deliver consistent clamping power across joints. Use with corresponding nuts and washers as part of a complete fastening solution.