[800 BULK] Frame Bolts Flange Black Phospohate 5/16-18 X 1 3/4

Frame Bolts Flange Black Phospohate 5/16-18 X 1 3/4 — these flange bolts are designed for secure frame mounting with a built-in bearing surface that distributes clamping force evenly. The black phosphate finish provides mild corrosion resistance and a subdued, professional look for mechanical, automotive, and equipment assemblies.

Standard specifications:

Key Features

• Size & Thread: 5/16-18 UNC
• Length: 1 3/4 in
• Head Type: Flange bolt (built-in washer-style flange)
• Finish: Black phosphate
• Applications: Frame assemblies, machinery, automotive, equipment mounting

Tips: For best results, pair with compatible flange nuts and ensure proper torque according to your application requirements. The flange helps maintain a secure grip even in vibration-prone environments.