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Odd little metal thing on all my window frames. The round but screws up and down and the bottom bit can slide up and down : r/whatisthisthing
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Everbilt #10 x 3 in. White Hex-Head Sheet Metal Window Framework Screw (25-Piece per Pack) 810712 - The Home Depot
Side Popout Window Frame Screws (3.5X5) Part # N109051
Window And Door Frame Fixing Screws 7 5 mm X 182 mm
BLACK SELF DRILLING CAR INTERIOR PANEL SCREWS WINDOW FRAME SELF TAPPING ZINC | eBay
Screws for window frames - Scell it
GRK Fasteners Top Star Shim Screws - Lee Valley Tools
WINDOW/DOOR FRAME FIXING SCREWS, UPVC WOOD MASONRY CONCRETE STONE DIRECT ANCHOR | eBay
Metal Window Frame Anchor Fixing with Screw M10 X 152MM (Pack of 10): Collated Screws: Amazon.com: Industrial & Scientific
Grisham 3 in. One-Way Screws for Window Bar (4-Pack) WBS3 - The Home Depot
Phil Flat Head Self Drilling Screw for PVC Window Frame - China Self Drilling Screw, Phil Flat Head | Made-in-China.com
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Teks #12 x 1-1/2 in. External Hex Drive Washer Head Roofing Screws (300-Pack) 21422 - The Home Depot
QUARTER WINDOW FRAME SCREW SET - COMPLETE - BM11 – im356-911
How to safely use stainless steel screws in aluminum
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Window frame screw for aluminium | Mechanical Fixings, Mounting Elements, Accessories, Anchoring and Mounting | Torggler
Window Fixing Screws | Window Frame Screws | Window Handle Screws | PVC Screws | Window Screws
