This Sirius Cheese Head Machine Screw is an M4 x 16mm slotted fastener, manufactured from A2 304 stainless steel. The M4 x 16mm length offers a deeper thread engagement than shorter M4 options, making it suitable for securing components where increased holding strength is required, such as machinery guards and equipment housings. The slotted drive accepts a standard 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: M4 Length: 16mm Qty: Pack of 1 Contents: Pack of 1