Torx Countersunk Ribbed Window Concrete Screw 7.5x100 Silver Ruspert Coated

Product Overview
This product is a concrete self-tapping screw specifically designed for window and door installation, with specifications of 7.5×100mm. Made of carburized hardened carbon steel substrate with a silver Ruspert multi-layer anti-corrosion coating. Featuring a Torx drive, ribbed countersunk head, and self-cutting threads, it can be directly fixed into walls after drilling without the need for expansion anchors. Suitable for the installation of thermally broken aluminum, PVC-U, and aluminum alloy doors and windows, offering both strong anchoring performance and outdoor corrosion resistance.

Product Applications
Suitable Profiles: PVC-U windows, thermally broken aluminum doors and windows, aluminum sliding doors, and greenhouse/sunroom framing anchoring.
Compatible Substrates: Concrete, red brick, cement brick, aerated concrete blocks, and other hard masonry walls.
Applicable Scenarios: High-end residential renovation and construction window/door projects; the 7.5×100mm size is ideal for window frames with 30–50mm thickness, suitable for both indoor and outdoor environments, such as open balconies where moisture exposure may occur.