Comparison : Item # Z430310, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (10-32)
Item # Z430315, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (10-32)
Item # Z430320, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (10-32)
Item # Z430325, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (10-32)
Item # Z430330, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (10-32)