Comparison : Item # Z41C0235, Round Head Combo Machine Screws, National Coarse, Zinc Plated Steel (3/8"-16)
Item # Z41C0240, Round Head Combo Machine Screws, National Coarse, Zinc Plated Steel (3/8"-16)
Item # Z41C0245, Round Head Combo Machine Screws, National Coarse, Zinc Plated Steel (3/8"-16)
Item # Z41C0250, Round Head Combo Machine Screws, National Coarse, Zinc Plated Steel (3/8"-16)