3/8"-16 x 4" Hot Dip Galvanized Grade 2 / A307 Steel Coarse Thread Carriage Bolts

These 3/8-16 x 4 Carriage Bolts from Midwest are crafted from durable low-carbon steel and feature a hot-dip galvanized finish, making them ideal for exterior and treated wood applications. The square neck design prevents the bolt from turning during installation, ensuring a secure fit with the nut and washer. Their large, domed head offers a clean, finished appearance while delivering maximum holding power in wood. Perfect for construction, woodworking, and outdoor projects, these bolts provide reliable strength and corrosion resistance. The precise threading allows smooth engagement with nuts, maintaining firm connections even under stress. Midwest’s galvanized carriage bolts are a dependable choice for professionals and DIY enthusiasts seeking long-lasting performance.

Features

• Precise threading provides smooth engagement with nuts to provide maximum holding power, ensuring components remain firmly connected under stress
• Square neck prevents bolt from turning with nut and washer during installation
• Hot-dip galvanized coating is suitable for exterior and treated wood applications
• Large, domed head provides a clean finished appearance and maximum holding power in wood
• Manufactured from low-carbon steel for durability and strength

Specifications

• Tariff Code: 7318.15.2055
• Country of Origin: China
• Length: 4"
• Subclass: CS
• Finish: Hot Dipped Galvanized
• Thread Size: 16
• Thread Type: Coarse
• Nominal Size: 3/8 in.-16 x 4 in.
• Drive Size: N/A
• Diameter: 3/8"
• Retail Selling Unit Piece Count: 50
• Material: Steel
• Drive Type: None
• Scale: Standard
• Class: BG
• Product Line: GF