This Sirius Cheese Head Machine Screw is an M5 x 20mm slotted fastener, manufactured from A2 304 stainless steel. The M5 x 20mm size is a practical choice for engineering, architectural metalwork and general assembly tasks where a medium-length M5 fixing with reliable corrosion resistance is required. The cheese head maintains a professional finish, and the slotted drive accepts a flat-blade screwdriver. Features and Benefits: • A2 304 stainless steel construction • Corrosion-resistant, maintenance-free finish • Cheese head for increased bearing surface • Slotted drive for flat-blade screwdriver • Precision metric threads Specifications: Diameter: M5 Length: 20mm Qty: Pack of 1 Contents: Pack of 1