TIMCO Window Fabrication Screws Countersunk with Ribs PH Self-Tapping Thread Self-Drilling Point Martensitic Stainless Steel & Silver Organic

Multiple uses for fitting a variety of hardware to frames where there is a steel or aluminium reinforcement present. Stainless steel should be used where there is a corrosive environment. Countersunk head with ribs under head for improved countersinking.