General description These TIMCO Self-Tapping Countersunk A2 Stainless Steel Screws are designed for stitching metal or attaching to metal surfaces. They are ideal for use in corrosive environments, ensuring durability and longevity. Technical specifications Material: A2 Stainless Steel Dimensions: 4.2 x 19 mm Installation A pre-drilled hole is required for installation. Usage Suitable for stitching metal or attaching to metal surfaces.