M4 X 20MM PHILLIPS PAN HEAD SCREWS MACHINE SCREWS A2 STAINLESS STEEL - 83
£2.52
Thread Size M4 (4mm). Screw Size: M4 X 20MM. Thread Size: M4. They are designed distinctively for use with softer materials like plastic. Material Specification Stainless Steel (A2). Thread Length (L) 20mm.