06 Series Ø 4.8 mm | Countersunk Head | Steel | ERSCSK06-13G 19.05 − 22.23 mm Grip Range, Zinc Finish
08 Series Ø 6.4 mm | Countersunk Head | Steel | ERSCSK08-13G 19.05 − 22.23 mm Grip Range, Zinc Finish