25 Pack - 5/16-18 X 3/4" Grade 8 Flange Bolts - Black Oxide, Hex Washer Head - Heavy-Duty Frame & Machinery Screws

About This Product

Need strong, reliable bolts for your project? This pack of 25 Grade 8 flange bolts is just what you need! Each bolt is 5/16-18 thread, 3/4 inch long, with a hex washer head for easy wrenching and a built-in flange that acts like a washer to distribute load. The black oxide finish resists rust and looks clean. Grade 8 means they're high-strength – perfect for automotive frames, machinery, trailers, or any heavy-duty application where safety matters. Don't trust critical connections to cheap hardware. These are brand new, sold in bulk so you have extras, and come from a trusted supplier. Whether you're fixing a truck, building equipment, or doing structural repairs, these bolts give you peace of mind. Stock up your toolbox with quality fasteners. Strong, simple, and ready to work!