Hillman 5/16 in. Dia. x 2-1/2 in. L Zinc-Plated Steel Carriage Bolt 100 pk

Hillman zinc-plated carriage bolts are engineered to securely fasten a wooden face to wood or metal frames, making them ideal for a wide range of construction, automotive, and DIY projects. The flat head design eliminates the need for a washer and provides a semi-flush finish, while the square underside of the head is self-locking to prevent spinning during installation, so no driving tool is required. Crafted from durable alloy steel with a corrosion-resistant zinc exterior finish, these bolts offer long-lasting performance and a consistent, attractive appearance. Each bolt measures 3.45 in. high, 3.0 in. long, and 7.1 in. wide, with a total package weight of 5.625 lbs. This bolt nut set is perfect for those seeking a reliable nut bolt assortment for repairs or assembly, and is compatible with various metric bolts and long bolts applications. The unscented, Grade 2 hardware is suitable for both indoor and select outdoor uses, providing strength and versatility for your next project.

• LOW-PROFILE HEAD DESIGN: Smooth, domed head provides a semi-flush finish, ideal for tight spaces and automotive bolts where clearance is limited.
• RUST-RESISTANT FINISH: Durable zinc plating protects against corrosion, making this nut bolt set suitable for indoor and outdoor hardware applications.
• SECURE SQUARE SHOULDER: Square shoulder locks into material, preventing rotation and eliminating the need for a washer in nut bolt assortment kits.
• STRONG ALLOY STEEL BUILD: Constructed from high-grade alloy steel for reliable strength, perfect for long bolts and metric bolts in demanding projects.
• VERSATILE HARDWARE USE: Ideal for automotive, construction, and DIY tasks, this bolt nut set fits seamlessly into nut bolt assortment sets and repair kits.