
Looking for heavy-duty, cost-effective US / Inch Hex Lag Bolts in bulk? MonsterBULKS delivers a complete range of materials and sizes for professional-grade construction, woodworking, and industrial applications. Choose from Stainless Steel (18-8 / A2), Marine Grade Stainless (A4 / 316), Zinc-Plated Steel, or Hot-Dipped Galvanized (HDG) — ensuring you have the right fastener for every environment and load requirement.
Each bulk lot is precision-made to meet rigorous quality standards and backed by Monster Bolts’ commitment to reliability. Our wholesale pricing and volume discounts help contractors and manufacturers control costs on large orders, while our U.S.-based support team provides fast, knowledgeable service every step of the way.
Need smaller quantities? Click here to explore our standard Hex Lag Screws collection.
Note: Bulk shipping times may vary slightly, especially for smaller orders that require brief warehouse transfer before dispatch.
What sizes of bulk lag bolts are available?
MonsterBULKS offers a broad range of U.S.-inch sizes, including diameters from 1/4” up to 3/4” and lengths extending beyond 12”, with both standard and oversized head options depending on material.
Which material should I choose?
Use Stainless 18-8 / A2 for general corrosion resistance, Marine Grade 316 / A4 for saltwater exposure, Zinc-Plated for maximum tensile strength, and HDG for outdoor structural use where heavy coating protection is preferred.
Do bulk lag bolts meet industry standards?
Yes. All bulk lag bolts meet or exceed applicable ASTM and ANSI dimensional and strength requirements. Certification paperwork (MTRs) is available upon request for unopened box quantities.
How fast are bulk orders shipped?
Most bulk orders ship within 3–7 business days from our Florida warehouse. Larger or mixed-finish pallets may require up to a week of additional processing time.