... and rails.Fastening liner panels and general components to steel.Fixing steel to steel.Point SelectionOur drill points are well ... (2+3)Medium duty steel to steel#48MM8 mm steel to steel#512MMHeavy duty steel to steel#6>12MMCustomized for thicker ... Head, Truss Head, Pan Frame HeadDrive CodePhillips, Pozi, SlottedGrade4.8, 6.8, 8.8FinishPlain, Zinc Plated, Black/Grey Phosphated, Nickel, Brass etc ...