This screw is designed for use with PVC window installations where frames are reinforced with steel or aluminium. The countersunk head with ribbed detailing allows for flush fitting and improved engagement in harder materials.
Suitable for fixing various hardware to window frames, this product is typically applied when a secure and neat finish is required on sites working with metal-reinforced PVC. The box contains 500 screws at 3.9 x 16mm, making it practical for consistent use on window fitting projects.
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