Comparison : Item # M4000040, Metric Phillips Fillister Head Machine Screws Zinc Plated Steel (2.5mm)
Item # M4000045, Metric Phillips Fillister Head Machine Screws Zinc Plated Steel (2.5mm)
Item # M4000050, Metric Phillips Fillister Head Machine Screws Zinc Plated Steel (2.5mm)
Item # M4000055, Metric Phillips Fillister Head Machine Screws Zinc Plated Steel (2.5mm)