Comparison : Item # Z430430, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (1/4"-20)
Item # Z430435, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (1/4"-20)
Item # Z430440, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (1/4"-20)
Item # Z430445, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (1/4"-20)
Item # Z430450, Phillips Flat Head Machine Screws, National Coarse, Zinc Plated Steel (1/4"-20)