1/4-14 x 1-1/2" Drilit Self-Drilling Screws, 3/8" Hex Washer Head with Bonded Sealing Washer, #3 Point, Case Hardened Carbon Steel with Zinc Finish

1/4"-14 x 1-1/2" Drilit® self-drilling fasteners with hex washer head & bonded sealing washer eliminate separate drilling and tapping operations for faster, more economical installations. The EPDM bonded sealing washers on these screws provide a weather-tight seal. Fasteners are coated with a zinc finish.