Timco - Metal Construction Heavy Section Screws - Hex - Self-Drilling - Bi-Metal - Exterior - Silver Organic (Size 5.5 x 55 - 100 Pieces)

Thread Dia. mm - M5.5 Length mm - 55 Head Type - HexYou may also like Timco - Drywall Dense Board Screws - PH - Reduced Countersunk - High-Low Thread - Black (Size 3.9 x 55 - 1000 Pieces).