Elevate your construction projects with this sturdy and reliable stainless steel carriage bolt. Measuring 5/16 inch in diameter and 3-1/2 inches in length, this bolt is designed to provide exceptional holding power and corrosion resistance, making it ideal for both indoor and outdoor applications. Available in a convenient pack of 25, these carriage bolts are perfect for securing heavy-duty materials, ensuring your structures stand the test of time.