Simpson #10 x 2 3 4" Tan 01, Deck Drive DCU Composite Screw, 305 Stainless Steel PACK:1750 Pk SDS max shank means no downtime SDS max shank means no downtime for bit changes The positive locking SDS max connection allows tool free bit changes on compatible rotary hammers this flooring saw blade features Polycrystalline Diamond (PCD) tooth technology that delivers over 75 times the cutting life making it the go to choice for flooring installers and contractors who demand clean Ideal for chloride rich and coastal environments the Type 305 stainless steel finish resists corrosion even in harsh outdoor conditions where standard fasteners would degrade length sized to provide proper penetration depth and holding strength through composite deck boards into structural framing members