Self Tapping Screw segmentation by application reveals five principal domains that together account for the total market volume. The automotive sector, representing roughly 35 % of sales, drives demand for high‑strength, corrosion‑resistant screws used in power‑train and chassis assemblies; its growth is linked to increasing vehicle electrification. Construction contributes about 28 %, where screws secure metal studs, roofing panels, and prefabricated modules, benefitting from modular building trends. Electronics accounts for 20 %, supplying miniature screws for circuit‑board mounting and enclosure fastening, a segment sensitive to miniaturization and high‑volume production. Aerospace, although a smaller share at 10 %, commands premium pricing due to stringent certification and fatigue‑resistance requirements. The remaining 7 % is attributed to consumer‑goods manufacturing, covering appliances and furniture where cost‑effective, rapid‑assembly solutions dominate. Collectively, these applications define the market’s revenue distribution and inform capacity planning across material grades and coating technologies.