Comparison : Item # Z420190, Slotted Flat Head Machine Screws, National Coarse, Zinc Plated Steel (8-32)
Item # Z420195, Slotted Flat Head Machine Screws, National Coarse, Zinc Plated Steel (8-32)
Item # Z420200, Slotted Flat Head Machine Screws, National Coarse, Zinc Plated Steel (8-32)
Item # Z420205, Slotted Flat Head Machine Screws, National Coarse, Zinc Plated Steel (8-32)
Item # Z420210, Slotted Flat Head Machine Screws, National Coarse, Zinc Plated Steel (8-32)