OEM-custom Flat Head self driling screw for window

OEM-custom Flat Head self driling screw for window   Flat head self-drilling screws are a type of fasteners, which specially designed screws that have a flat head and a drill bit at the tip. These screws are used with nuts or bolts to drill their own hole into the material they are being screwed into, eliminating the need for pre-drilling. They are commonly used with flange nut or flat washer in metal roofing and siding applications, as well as in construction and woodworking projects. The flat head design allows for a flush finish when the screw is fully tightened, making it ideal for applications where a smooth surface is desired, it's very useful in our daily life. The flat head self-drilling feature can save time and effort, making it a popular choice among DIY enthusiasts and professionals alike. Product Description product name Drywall Wood Screw Flat Head Self Drilling…