Product Info Catalog Hardware Fasteners Bolts 50-Pack 5/16x4-1/2-Inch Lag Bolts 50-Pack 5/16x4-1/2-Inch Lag Bolts Request a Quote UPC: 08236085150 SKU: 801574 Model Number: 230065 50 Pack, 5/16-Inch X 4-1/2", Zinc, Hex Head Lag Bolt.