Hex flange self-drilling screw into sheet metal - with a drill - the advantage is the use without the need for pre-drilling and minimal risk of sheet deformation. Suitable for joining sheets where high joint strength is required.Flange Head Self-Tapping Screws Main Features of Hex Flange Head Self-Drilling Screw •Heat treatment at required temperatures •Life time rust free as screw with SS 304 Head available. Flange Head Tapping Screw •Very well engineering with regards to threading, pinch point head & hardness. Hex Flange Self Tapping Screws •With washer which is weather , oil & heat resistant A flange head drilling screw is a type of fastener that is designed to securely fasten materials together. It features a unique flange head, which is a wide, flat surface with a built-in washer-like structure. This flange helps to distribute the load and prevent the screw from sinking into the material. The flange head drilling screw has a sharp, self-drilling po…