Steel bolt fittings are used for connecting and fastening in industrial building structures and engineering structures, primarily categorized into bolts, cotter pins, metal brackets, etc. This dataset includes primary raw and auxiliary materials, energy, and waste from the production process; infrastructure such as production equipment and factory construction is excluded from the system boundary of the dataset. The life cycle inventory is compiled from data sourced from multiple references. The production process of this product includes processes such as length-cutting, punching, shearing, tapping, threading, and final product packaging.