offers hundreds of thousands of different types and sizes of bolts, nuts, screws, washers, cotter pins, anchors, locking screws, and socket products. We carry a wide variety of materials, grades, and high strength. Elevator Bolts: Galvanized Steel. Box of 25. Specifications: Size: 0.3118 x 2.5 in. Material: Steel, Zinc. Weight: 1.6425 lbs.