1/4-14 x 3" Drilit® Heavy Duty Self Drilling Screws with Bonded Sealing Washers - #3 PointEconomical fasteners for applications requiring a weather tight seal This economical line of drill screws provides a weather tight seal for protection against the elements. Specifications Description 1 4 14 x 3" Diameter 1 4in Length 3in Point Type #3 Drilit Material Carbon Steel Finish Stalgard Coating Head Style Hex Washer Head Size 1 4 Diameter, 3 8" Hex Washer Head Screw Type Drilit Self drill Screws with Bonded Sealing Washers Drive System 3 8 in