GRK Fasteners 61728 Star Trim Head Construction Screws, Silver NonMap Quite simply

Quite simply

With stand

so you can use them again and again

Duct Size :  4" round

and can accept traffic after 8 hours

GRK Fasteners 61728 Star Trim Head Construction Screws, Silver NonMap Quite simplyThis stainless steel screws is typical applications for 305 stainless are in corrosive environments such as lakes, pools, spas, decks and boardwalks. Highlights: Color : Silver Material: Stainless Steel Callout Size : 8 Length : 2 inch Small trim head provides a clean finished look Zip tip allows for no predrilling and one step application Star drive eliminates stripping for improved productivity W cut low installation torque allows for fast driving