Lag Bolts

About

Heavy-Duty Lag Bolts for Wood, Concrete & More US Cargo Control’s selection of lag bolts is built for strength, reliability, and results. Whether you're framing a deck, installing fencing, anchoring into concrete, or taking on structural wood construction, our lag bolts give you the power to fasten with confidence. With corrosion-resistant finishes, heavy-duty threading, and jobsite-proven performance, these are the bolts professionals and DIYers reach for again and again. What Makes Lag Bolts a Go-To Fastener? Lag bolts, also called lag screws, are engineered for high-strength connections where traditional screws just won’t cut it. Their thick shafts, deep threads, and pointed tips allow them to bite deep into wood or anchor securely into masonry when paired with shield anchors. These fasteners are a must-have for: Deck framing and ledger board installations Timber-to-timber or timber-to-concrete connections Heavy machinery anchoring Outdoor construction exposed to weather or moisture Choose the Right Lag Bolt for Your Build We carry lag bolts in multiple diameters, lengths, head styles, and finishes to suit every environment and load demand. Lag Bolt Head Styles Hex Head: The industry standard. Easy to install with a wrench or socket, perfect for structural work. Square Head: Used for restoration, vintage builds, or aesthetic appeal with old-school charm. Flange Head: Built-in washer face offers broader load distribution, no separate washer needed. Top-Performing Materials & Finishes Hot-Dip Galvanized: Best for general outdoor use. Resists rust and weathering over time. 304 stainless steel: Excellent in agricultural or wet environments. Resists corrosion and staining. 316 stainless steel: Premium protection in coastal or marine conditions. Maximum resistance to salt, moisture, and chemical exposure. Sizing That Fits the Job Diameters: Available in sizes from 1/4" to 3/4". Larger diameters offer higher load-bearing strength. Lengths: Options from 1" to 20"