Comparison : Item # Z48C0060, Truss Head Combo Machine Screws, National Coarse, Zinc Plated Steel (1/4"-20)
Item # Z48C0065, Truss Head Combo Machine Screws, National Coarse, Zinc Plated Steel (1/4"-20)
Item # Z48C0070, Truss Head Combo Machine Screws, National Coarse, Zinc Plated Steel (1/4"-20)