Timco 3.9x13mm Countersunk Self-Tapping Screws, Yellow Zinc (1000pc)
1000 Timco 3.9x13mm yellow zinc self-tapping screws with countersunk ribbed heads for window fabrication.
The Timco 3.9x13mm Countersunk Self-Tapping Screws are versatile fasteners designed for multiple applications in window fabrication and metalwork. These high-quality screws feature a countersunk head with ribs underneath for improved countersinking action, ensuring a flush and secure fit when installed.
These screws are self-tapping with a self-drilling point, allowing you to work efficiently with steel or aluminium reinforcements without needing to pre-drill holes. Made from durable carbon steel with a yellow zinc finish, they offer excellent corrosion resistance for long-lasting performance in demanding environments.
The Phillips drive (PH) recess provides good torque transmission and helps prevent cam-out during installation. Each pack contains 1000 screws, making this an economical choice for professionals who need bulk fasteners for fabrication projects.
Ideal for:
- Installing window hardware to reinforced frames
- Joining metal components where drill bits aren't practical
- Applications requiring flush-mounted fasteners
- Projects needing reliable, vibration-resistant connections
- Window frame fabrication
- Aluminium reinforcement work
- Steel frame construction
- Hardware installation
- Thread Diameter: 3.9mm
- Length: 13mm
- Head Type: Countersunk with Ribs
- Recess Type: Phillips (PH)
- Thread Type: Self-Tapping
- Point Type: Self-Drilling
- Finish: Zinc & Yellow
- Material: Carbon Steel
- Weight: 960g
- Quantity: 1000 pieces
Always follow local regulations and product guidance.
Free standard delivery on UK 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.
View Full Delivery & Returns PolicySecure Transactions
We take the utmost care with your payment and personal details. Our website employs advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookie Policy
Cookies enhance your shopping experience by keeping track of your basket and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Security Warning
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll request you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.
