Type segmentation of the Automotive Standard Fasteners market distinguishes six principal categories: screws, bolts, nuts, washers, rivets, and clips. Screws include self‑tapping, machine, and sheet‑metal variants, each serving distinct assembly requirements. Bolts are further divided into hex, carriage, and flange types, reflecting load‑bearing capabilities and torque specifications. Nuts comprise standard hex, lock, and prevailing‑torque designs, providing complementary retention mechanisms. Washers encompass plain, spring, and lock‑washer sub‑types, essential for vibration mitigation and load distribution. Rivets are classified into solid, blind, and semi‑tubular forms, predominantly used in body‑panel joining where welding is impractical. Clips include retaining, push‑type, and snap‑in varieties, facilitating quick fastening in interior trim and electronic housings. Collectively, these six type groups account for the total market volume, with bolts and screws representing roughly 45 % of revenue due to their pervasive use across structural and power‑train assemblies, while the remaining categories contribute the balance through specialized, high‑value applications. Forecasts indicate that incremental material‑efficiency standards and lightweight‑design initiatives will elevate the proportion of high‑strength bolt variants, modestly expanding their share within the overall type mix through 2028.