Available In The Following Sizes: 3x13mm | 3x16mm | 3.5x16mm | 4x16mm | 4x25mm | 4x30mm | 4x38mm Ruwag Countersunk Pozi Self Tapping Screws are specially threaded screws that are designed to cut threads as they are driven into untapped holes. They require a pre-drilled pilot hole from the correct size drill. These
