Simpson #7 x 2 1 4" White 01, Trim Head Screw, 6 Lobe Drive 305 Stainless Steel Self Drilling Bugle Head Screw Long term durability with G90 galvanized Long term durability with G90 galvanized protection the zinc galvanized coating resists corrosion in the demanding environments where heavy framing connections are commonly found and reduced drilling resistance work together to maintain performance on fast CNC boring centers reducing cycle time without sacrificing bore quality these Simpson trim head screws can be coordinated across different deck board colors and brands on the same project or across multiple jobs this screw is engineered to hold tight and look great over the long term