06 Series Ø 4.8 mm | Countersunk Head | Steel | ERSCSK06-11G 15.88 − 19.05 mm Grip Range, Zinc Finish
08 Series Ø 6.4 mm | Countersunk Head | Steel | ERSCSK08-11G 15.88 − 19.05 mm Grip Range, Zinc Finish