Used for stitching metal or attaching to metal. A pre-drilled hole is required. Pan head for improved clamping. Manufactured from A2 Stainless Steel for use where ultimate corrosion resistance. Stainless steel must be used where there is corrosive environment and/or the base material has inherent corrosive characteristics. Pan head for extra clamping Stainless Steel suitable for outdoor applications 60 self-tapping thread for ease of insertion" Gauge: 10 Length inch: 2 Thread Dia. mm: 4.8 Length mm: 50 Head Type: Pan Recess Type: Pozi Point Type: AB Point Driver Bit Size: PZ2 Material: Austenitic Stainless Steel (A2-304)Size 4.8 x 50 - 200 Pieces Timco Metal Tapping Screws - PZ - Pan - Self-Tapping - A2 Stainless Steel in Silver