Timco Countersunk Self-Tapping Window Screws, 3.9x16mm, 1000-Pack

The Timco Countersunk Self-Tapping Window Screws offer reliable fastening for window fabrication and hardware installation, particularly where steel or aluminium reinforcement is present. Made from martensitic stainless steel (410), these screws provide excellent corrosion resistance, making them ideal for use in harsh or corrosive environments.

The screws feature a countersunk head with ribs to ensure improved countersinking and a Phillips recess for easy and secure driving. The self-tapping thread and self-drilling point simplify installation, reducing the need for pre-drilling while ensuring a strong and durable hold.

With a silver organic finish, these screws blend seamlessly into your fittings while delivering robust structural integrity. Whether you're securing window frames, metal reinforcements, or other hardware, these screws guarantee a long-lasting and dependable solution.

Key Features:

• Material: Martensitic stainless steel (410)
• Finish: Silver organic
• Head Type: Countersunk with ribs
• Point Type: Self-drilling
• Thread Type: Self-tapping
• Drive Type: Phillips (PH)
• Size: 3.9x16mm
• Pack Quantity: 1000 pieces