Overview
Lag bolts are heavy-duty fasteners designed primarily for securing wood to wood or wood to metal applications where high strength and durability are required. These bolts feature a hexagonal head and a coarse, deep thread that allows for strong grip and resistance to loosening under vibration or load. Manufactured from high-grade steel or stainless steel, lag bolts undergo precise forging and threading processes to ensure consistent performance and reliability. Their robust design enables them to withstand significant shear and tensile forces, making lag bolts ideal for structural projects such as timber framing, decking, and heavy machinery mounting. The combination of their thread geometry and material composition provides excellent corrosion resistance and long-term stability in both indoor and outdoor environments.
In industrial and construction settings, lag bolts are valued for their ability to create secure, load-bearing joints without the need for pre-drilled holes in many cases, simplifying installation and reducing labor time. The versatility of lag bolts extends to applications in utility poles, heavy timber construction, and anchoring large equipment, where their strength and holding power are critical. Their compatibility with various coatings and finishes further enhances their suitability for harsh environments, including marine and chemical exposure. The precise manufacturing standards and material selection ensure that lag bolts deliver consistent performance, making them a preferred choice for engineers and contractors seeking reliable fastening solutions that combine strength, durability, and ease of use.
| Product Type | Lag Bolts |
| Head Style | Hexagonal Head |
| Manufacturing Process | Cold Forged and Thread Rolled |
| Thread Type | Coarse Thread |
| Common Materials | Carbon Steel, Stainless Steel |
| Available Sizes | #6 to 1/2 inch diameter, lengths from 1 inch to 6 inches |
| Strength Features | High Tensile Strength, Corrosion Resistance (depending on material) |
| Typical Applications | Wood Construction, Heavy Timber Fastening, Deck Building |
| Surface Finishes | Zinc Plated, Hot-Dip Galvanized, Plain |
| Standards | ASTM A307, ASTM F1667 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Engineered for maximum load-bearing capacity in wood fastening applications, ensuring secure and durable joints.
Available in stainless steel and coated carbon steel options to withstand outdoor and harsh environments.
Designed with deep, coarse threads for superior grip and reduced wood splitting during installation.
Offered in multiple lengths to accommodate various wood thicknesses and project requirements.
Compatible with hex heads for use with standard wrenches and power tools, simplifying assembly.
Manufactured from premium carbon and stainless steel grades to meet structural demands.
| Product Type | Lag Bolts |
| Thread Type | Coarse Wood Thread |
| Diameter Range | 1/4″ to 1″ |
| Length Range | 1″ to 6″ |
| Available Materials | Carbon Steel, Stainless Steel |
| Manufacturing Standards | ASTM F1667, ANSI B18.2.1 |
| Surface Finish | Zinc Plated, Hot-Dip Galvanized, Plain, Stainless |
| Diameter | Length |
|---|---|
| 1/4″ | 1″–3″ |
| 5/16″ | 1″–4″ |
| 3/8″ | 1″–5″ |
| 1/2″ | 2″–6″ |
| 5/8″ | 3″–6″ |
| 3/4″ | 3″–6″ |