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Our professional-grade Window Frame Screws are engineered for high-performance fastening, specifically designed to secure window and door frames directly into masonry substrates. By utilizing a self-tapping thread design, these fasteners eliminate the need for traditional anchors, significantly reducing installation time and labor costs while ensuring a rock-solid connection.
Based on rigorous German (DIN) engineering principles and validated by the renowned ift Rosenheim institute, these screws provide a tension-free fixing solution. This prevents the common issue of frame distortion, making them the ideal choice for high-quality PVC, timber, and aluminum installations in concrete, solid brick, and hollow block substrates.
| Material | Carbon Steel (1022A) / 410 Stainless Steel | Drive Type | Torx |
|---|---|---|---|
| Head Type | Countersunk Socket Head | Size | 7.5mm |
| Strength Level | High-strength | Length Range | 42mm - 202mm |
| Surface Finish | ZP / YZP / Ruspert etc. | Fire Resistance | Tested up to 120 minutes |
| Compatibility | Concrete, Brick, Hollow Block, Timber | Engineering Standard | German (DIN) Principles |
Self-tapping threads cut directly into masonry, saving significant time and material costs during installation.
Provides full holding power immediately after installation with zero curing time required.
Prevents frame distortion, ensuring a perfect seal and fit for PVC and timber window frames.
Unlike expansion anchors, these can be removed without damaging the substrate for future maintenance.
Certified for fire-rated assemblies up to 120 minutes, ensuring safety and code compliance.
Available in Yellow Zinc and Blue Passivated finishes for superior indoor and outdoor durability.
Premium Carbon Steel 1022A and 410 Stainless Steel for maximum structural integrity.
Advanced self-tapping thread geometry for effortless penetration into hard masonry.
Every batch is tested against European standards to ensure high clamping force.
Electro-galvanized and Ruspert coatings applied for extreme corrosion resistance.
Versatile use across window sills, door frames, and curtain wall facade systems.
Standardized Torx drive ensures high torque transfer and prevents cam-out during installation.
| Feature | Traditional Anchors | Our Frame Screws |
|---|---|---|
| Installation Steps | Drill → Insert Anchor → Screw | Drill → Screw Directly |
| Installation Speed | Slow (Multiple Steps) | Fast (Single Step) |
| Frame Impact | Potential Distortion | Tension-Free Fixing |
| Removal | Difficult/Damaging | Easy and Reusable |
| Labor Cost | High per unit | Low per unit |
Yes, they are suitable for hollow blocks. However, we recommend using a rotary drill only (no hammer action) to prevent blowout and ensure a secure grip.
The formula for screw length is: Screw length = Frame thickness + Gap distance + Thread embedment depth into the substrate.
Yes, with our Yellow Zinc (YZP) or Ruspert surface finishes, these screws are highly protected against corrosion for both indoor and outdoor use.
Unlike expansion anchors that create internal pressure against the walls, these screws provide a tension-free fixing, allowing the frame to remain perfectly square.
Yes, a pilot hole must be drilled according to the technical specifications to ensure the screw threads cut correctly into the material without cracking the substrate.
These screws feature a Torx drive, requiring an appropriate AW or Torx bit to ensure maximum torque and prevent stripping of the screw head.
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