Teks #14 x 3-in Phillips-Drive Sheet Metal Screws (40-Count) in the Specialty Screws department at Lowes.com
14 x 3" Self-Drilling Metal Screw w/Washer, Hex Head - 410 Stainless – Fasteners Plus
Amazon.com: The Hillman Group 47296 1/4-20 x 2-3/4-Inch Flat Head Self Drilling Screw with Wing Phillips Drive : Industrial & Scientific
Amazon.com: #8 x 3/4" Pan Head Self Drilling Screws, Phillips Drive Self Tapping Screws, Sheet Metal Screws, 410 Stainless Steel, Full Thread with Drilling Point, No Pre-drilled Needs, 100 pcs : Industrial
1/4" x 3-1/4" Self-Drilling Metal Screw w/Wings, T27 Star Flat Head - – Fasteners Plus