Comparison : Item # Z400260, Slotted Round Head Machine Screws, National Coarse, Zinc Plated Steel (10-24)
Item # Z400265, Slotted Round Head Machine Screws, National Coarse, Zinc Plated Steel (10-24)
Item # Z400270, Slotted Round Head Machine Screws, National Coarse, Zinc Plated Steel (10-24)
Item # Z400275, Slotted Round Head Machine Screws, National Coarse, Zinc Plated Steel (10-24)
Item # Z400280, Slotted Round Head Machine Screws, National Coarse, Zinc Plated Steel (10-24)