Upgrade your fastening needs with the Hillman Hex Cap Screws, a reliable choice for both professional and home use. Contains 20 pieces of 1/2"-13 x 4-1/2" Grade 5 bolts, boasting a durable zinc finish that ensures corrosion resistance. These hex cap bolts, with their 3/4" drive size, are designed for easy installation and a secure hold. Crafted from high-quality steel, these bolts feature a hex drive type that provides a robust connection and is perfect for a variety of applications. The bolts' inch-based system of measurement and 13 threads per inch offer precision and consistency for all your project requirements. Whether you're assembling furniture or securing hardware, these bolts are engineered to deliver. Item weight is 5 pounds, and 6.1 ounces. Free shipping to the lower 48.