The ev battery pack structural fasteners market is projected to grow from USD 1,546.4 million in 2026 to USD 3,627.4 million by 2036, at a CAGR of 8.9%. High-Strength Bolts & Screws will dominate with a 38.0% market share, while module-to-pack will lead the battery architecture segment with a 34.0% share.