Window Fabrication Screws Countersunk with Ribs PH Self-Tapping Thread Self-Drilling Point Martensitic Stainless Steel & Silver Organic - 3.9 x 16

Pack Quantity: 1000

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.