A self-tapping screw 5.5x19 is a fastener designed to drill its own hole as it is driven into materials like metal, wood, or plastic.
Specifications
-Price: per 1 pc
-Type: Self-tapping screw
-Size: 5.5mm diameter × 19mm length
-Head: Hex washer head
-Material: Hardened steel
-Finish: Zinc-plated / corrosion resistant
-Use: Fastening metal sheets, roofing, and general construction works