CAMO #10 4 in. 305 Stainless Steel Premium Star Drive Bugle Head Deck Screws (250 Count) Calacatta with stain resistant treatment with stain resistant treatment this product offers maximum comfort and relaxation Specification Details Drive Style Torx Fastener Color Silver Fastener Material Stainless Steel Fastener Plating Uncoated Fastener Type Wood Deck Screws Features No Additional Features Grade 18 8 Stainless Head Style Bugle Head Included No Additional Items Included Interior Exterior Exterior Measurement Standard ASTM Measurement System Metric Package Quantity 250 Product Weight (lb Q: Do I need to pre drill holes before using these screws