Simpson 10X Beam Column Cap w SDS Screws Quick Install CCOQ10 SDS2.5 Boring Bits Corrosion resistance verified for treated Corrosion resistance verified for treated wood Quik Guard coating combined with AC257 exposure condition compliance gives builders and homeowners confidence that these screws will perform in exterior conditions and alongside preservative treated materials No special drill bits needed compatibility with standard ANSI tolerance drill bits lowers the cost of entry and eliminates the need to carry specialty tooling Related Products Screw fastening to greater net section area SDS screw attachment engages more of the column's net section than standard bolt connections typically allow