Techfast Window Screw 3.9x13mm – Self-Tapping & Self-Drilling (Available in 100, 500, or 1000)

Secure Your PVCu Window & Door Installations

Our Techfast Window Screw (3.9x13mm) is designed to streamline the installation process for PVCu frames with metal reinforcements. Featuring a self-drilling tip, you’ll save time and effort by reducing or eliminating pre-drilling. The countersunk Torx head sits flush against the surface, creating a neat finish.

Key Features - Techfast Window Screw 3.9x13mm

• Elementech Coating: Withstands corrosion for up to 1000 hours of salt spray testing.
• Countersunk Torx Head (T15): Fewer cam-outs and a more secure grip than Phillips or Pozidriv heads.
• Self-Tapping & Self-Drilling: Eliminates the need for pre-drilling in PVCu with metal reinforcement.
• 3 Pack Sizes: Available in packs of 100, 500, or 1000 to match your project needs.
• Includes T15 Impact Bit: No need to purchase additional bits (1000 box only)
• EU-Compliant: Meets essential safety, health, and environmental standards.
• Versatile Application: Ideal for PVCu window/door frames with metal reinforcement.

Product Specifications Quick-Reference:

• Size: 3.9 x 13mm
• Finish: Elementech (enhanced corrosion protection)
• Drive Type: Torx TX (T15)
• Head Type: Countersunk
• Brand: TechFast
• Pack Quantity Options: 100, 500, 1000
• Barcode (for 1000 pack): 5028485196679