Carriage Bolt 5/16" x 1-1/2"L Steel Zinc-Plated 100-ct - Hillman 240084 (2-PACK) BRAND NEW AND COMPLETE! THE BOX WAS OPENED AND INSPECTED. The Hillman 240084 Carriage Bolt is a high-quality fastener designed for wood-to-wood or wood-to-metal applications. Featuring a 5/16" diameter and 1-1/2" length, this bolt is perfect for securely fastening wooden faces to either a wood or metal frame. The flat head eliminates the need for a washer, providing a semi-flush finish for clean, smooth installations. The square underside of the head is self-locking, preventing the bolt from spinning and eliminating the need for a driving tool. Key Features Zinc-Plated Finish: Provides corrosion resistance and a consistent, attractive finish. Coarse Thread: Ensures easy installation and a secure hold. Self-Locking Head: The square underside prevents spinning and removes the need for a driving tool. Grade 2 Steel: Offers medium strength, making it ideal for a variety of general-purpose applications. Flat Head: Provides a semi-flush finish, eliminating the need for additional washers. 100-Pack: Bulk packaging ensures you have an ample supply for large projects or frequent use. Specifications Material: Steel Grade: 2 Thread Type: Coarse Head Diameter: 5/16" Length: 1-1/2" Finish: Zinc-Plated Product Type: Carriage Bolt Number in Package: 100 pk Packaging Type: Boxed Item Weight: 3.900 lbs Unit of Measurement: SAE Height: 3.86 in Width: 0.30 in Country of Origin: China UPC: 037504830444 The Hillman 240084 Carriage Bolt is ideal for a wide range of applications, including DIY projects, woodworking, carpentry, and general repairs. Its self-locking square head makes it especially effective for wood-to-wood or wood-to-metal fastenings, providing a reliable and secure connection without the need for additional washers. The zinc-plated finish ensures long-lasting durability, while the Grade 2 steel construction offers a balance of strength and cost-effectiveness, making it an essential component for any toolkit.