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These premium 410 stainless steel self-drilling screws deliver reliable fastening for demanding applications. The outer hexagonal head design provides superior grip and torque control, while the self-drilling tip eliminates pre-drilling requirements, saving time on installation. Available in M4.2 and M4.8 specifications with 16mm length, these corrosion-resistant fasteners excel in metal-to-metal assembly, repair work, and construction projects. Each pack contains 100 pieces, offering excellent value for contractors and DIY professionals who demand durability and consistent performance.