... self tapping screw 6x70:1)Material:carbon steel,iron2)Size:It's up to client's requirements3)Color:zinc,black,plain,black phosphated4)Head ... type:flat head,pan head,bugle head,truss head,hexagon head5)Recess:philips,slotted,cambo, ... +carton or box+carton7)MOQ:500000 pcsWe are offer high quality products,competitive prices and good service to all clients ...