WHITE HEAD SELF-DRILLING LOW PROFILE WAFER SCREWS 4.8X22mm - Trusty Parts ltd
10 x 7/8" Stainless Wafer Head Self Drilling Screw Phillips Truss Head Sheet Metal Tek Screws (Pack of 100), 410 Stainless Steel, 2 Drilling Point, Dovetail Screws : Amazon.co.uk: DIY & Tools
Timco Wafer Head Self Drilling Tek Screws | MJ Sealants