3/8" x 4" Hot Dip Galvanized Steel Hex Head Lag Screws
Midwest 3/8 x 4 Hex Lag Screws are crafted from high-strength steel with a hot-dip galvanized finish, providing excellent corrosion resistance and durability for outdoor and heavy-duty applications. Featuring a large hexagonal head, these lag screws allow for high torque installation using wrenches or sockets, ensuring secure fastening in wood, lumber, and structural materials. Designed with deep, coarse threads, they offer superior holding power, making them ideal for demanding construction projects involving heavy timber and outdoor builds. Pre-drilling pilot holes helps reduce wood splitting and ensures precise alignment, delivering unmatched stability and structural integrity. Perfect for contractors, builders, and DIY enthusiasts, these lag screws are a reliable choice for securing wood and structural components in various construction and renovation scenarios.
Features
- Pre-drill pilot holes for efficient driving, reducing wood splitting and ensuring accurate alignment.
- Large hexagonal head allows for high torque installation with wrenches or sockets, ensuring secure fastening in wood and structural materials.
- Made from high-strength steel with a hot-dip galvanized coating for excellent corrosion resistance and long-lasting performance in outdoor and heavy-duty applications.
- Ideal for demanding construction projects, these lag screws deliver unmatched stability when fastening heavy timber, making them the go-to choice for structural integrity in outdoor builds.
- Deep, coarse threads provide superior holding power in wood, lumber, and heavy timber applications.
Specifications
- Product Line: GF
- Material: Steel
- Drive Type: Wrench/Socket
- Subclass: LS
- Drive Size: 9/16" Wrench/Socket
- Thread Type: Coarse
- Length: 4"
- Color: Gray
- Scale: Standard
- Thread Size: 9
- Class: BG
- Nominal Size: 3/8 in. x 4 in.
- Tariff Code: 7318.11.0000
- Finish: Hot Dipped Galvanized
- Country of Origin: China
- Head Type: Hex

















































