Timco Countersunk Self-Drilling Window Screws 3.9x25mm (1000pk)
Timco zinc-plated self-drilling window screws (3.9x25mm, 1000 pack) for easy installation in steel/aluminium frames.
Timco Countersunk Self-Drilling Window Screws are versatile fasteners designed for multiple applications in window fabrication and other construction projects where steel or aluminium reinforcement is present. These high-quality screws feature a self-tapping thread and self-drilling point, eliminating the need for pre-drilling and saving time during installation. The countersunk head sits flush with the surface for a neat finish, while the zinc coating provides excellent corrosion resistance in various environments.
Made from durable carbon steel, these 3.9x25mm screws offer exceptional strength and reliability for securing hardware to reinforced frames. The Phillips (PH) recess ensures positive drive engagement with standard screwdriver bits.
Key Features:
- Self-drilling point eliminates need for pre-drilling
- Self-tapping thread for ease of installation
- Countersunk head for flush finish
- Zinc finish for corrosion protection
- Carbon steel construction for strength and durability
- Phillips (PH) recess for positive drive engagement
Package Contents: 1000 screws per pack
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Window fabrication
- Fitting hardware to reinforced frames
- Aluminium frame construction
- Steel frame construction
- Thread Diameter: 3.9mm
- Length: 25mm
- Head Type: Countersunk
- Recess Type: Phillips (PH)
- Thread Type: Self-Tapping
- Point Type: Self-Drilling
- Finish: Zinc
- Material: Carbon Steel
- Quantity: 1000 pieces
- Weight: 1680g
Always follow local regulations and product guidance.
Free standard delivery on Australian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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