Size
M3.9 x 13mm M3.9 x 32mm
M3.9 x 16mm M3.9 x 38mm
M3.9 x 19mm
M3.9 x 22mm
M3.9 x 25mm

Countersunk Flat Head, Window Screw, Type BSD Thread, Heavy Drilling Point, With or Without 6 Nibs
M3.9 x 13mm M3.9 x 32mm
M3.9 x 16mm M3.9 x 38mm
M3.9 x 19mm
M3.9 x 22mm
M3.9 x 25mm
Coating Options: Zinc
Recess Options: Phillip for Auto Machine
More Coating and Recess Options Available Upon Inquiry
Window screws are specialized fasteners used in the installation and maintenance of windows, ensuring secure and stable connections. Their applications include:
These screws are typically designed to work with wood, uPVC, or metal frames, depending on the window type.