Comparison : Item # Z450005, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (2-56)
Item # Z450010, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (2-56)
Item # Z450015, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (2-56)
Item # Z450020, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (2-56)
Item # Z450025, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (2-56)