CSK Wing Self Drilling Screws & Hex Washer Head Self Drilling Screws the available sizes as follows: 4.2 x 25(#8 x 1") ~ 6.3 x 200(#14x8")
Specifications
.Outside Diameter: 4.2mm~6.3mmMain Products
self drilling screw, self tapping screw wing self drilling screw, masonry screw window screw