Screw with drill tip

Savigrezis DIN 7504-cc1b3f87f28258c3055c639f4336a44b.jpg

Standard screws are intended for use in the assembly of rectangular or circular duct systems. Self-drilling screw is also used for fixing L, Z, R, V type brackets and other sheet metal parts to ducts. The screw has an integrated drill tip or with sharp tip, eliminating the need for pre-drilling holes. The self-drilling screw has a square socket or 1/4 hexagon that is convenient for inserting and forcing into a galvanized steel sheets.