Comparison : Item # Z450595, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (5/16"-18)
Item # Z450600, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (5/16"-18)
Item # Z450605, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (5/16"-18)
Item # Z450610, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (5/16"-18)
Item # Z450615, Phillips Pan Head Machine Screws, National Coarse, Zinc Plated Steel (5/16"-18)