These heavy-duty black oxide stainless steel lag screws are engineered for wood construction, structural fastening, and general-purpose building projects. Made from corrosion-resistant 304 stainless steel and finished with a durable black oxide coating, these hex head lag bolts deliver reliable holding power in outdoor, indoor, and high-moisture environments. The rugged threads bite deeply into wood to reduce pull-out, providing secure attachment for framing, decking, fencing, and heavy-duty mounting applications.Each size is precisely machined for consistent performance, ensuring smooth installation with standard hex drivers. The hex head design offers excellent torque transfer, allowing fast and stable placement even in tight or overhead working areas. These fasteners are ideal for homeowners, contractors, and professionals seeking long-lasting hardware for structural wood fastening.Packaged in organized sets and available in multiple lengths and diameters, this collection provides versatile solutions for cabinetry, furniture anchoring, outdoor structures, and general wood-to-wood connections. Whether upgrading hardware or completing a new build, these stainless steel lag screws offer dependable strength, clean appearance, and professional-grade durability suitable for a wide range of building and repair tasks.