4.8mm x 30mm REPAIR WINDOW SCREWS - HINGE uPVC REPLACEMENT FRICTION STAY SCREW | eBay
50 Window Hinge Repair Screws 4 8mm X 25mm
Vinyl Window Screw - Fine Homebuilding
Window frame screw - fischer fixings
M5 25mm Screws for Use with uPVC Window Handles - 25 Pack : Amazon.co.uk: DIY & Tools
50 x Baypole Self-Drilling UPVC Frame Screws, 50mm x 4.8mm designed to join uPVC window & conservatory frames together or to a baypole. self drilling point tip, screws save time and hassle