Comparison : Item # Z450060, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (4-40)
Item # Z450065, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (4-40)
Item # Z450070, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (4-40)
Item # Z450075, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (4-40)
Item # Z450080, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (4-40)