Comparison : Item # M420070, Metric Slotted Flat Head Machine Screws Zinc Plated Steel (4mm)
Item # M420075, Metric Slotted Flat Head Machine Screws Zinc Plated Steel (4mm)
Item # M420080, Metric Slotted Flat Head Machine Screws Zinc Plated Steel (4mm)
Item # M420085, Metric Slotted Flat Head Machine Screws Zinc Plated Steel (4mm)
Item # M420090, Metric Slotted Flat Head Machine Screws Zinc Plated Steel (4mm)