Elevate your fastening projects with the Hillman Carriage Bolts, known for their reliable strength and durability. This box contains 100 pieces of high-quality steel bolts, each measuring 1/4" x 3", with a thread size of 20 threads per inch, ensuring a secure hold in a variety of applications. The zinc finish offers corrosion resistance, making them ideal for both indoor and outdoor use. The round head and square neck design of these Grade 2 carriage bolts is perfect for assembling parts where a flush surface is necessary. With the convenience of a 3-inch length and a unit quantity of 100, these bolts are a practical addition to any toolbox or materials inventory. Item weight is 3 pounds, and 14.9 ounces. Free shipping to the lower 48.