... steel,brass,stainless steel 3.Finish:zinc plated Brass Slotted Flat Heas Wood Screw Picture NameWood screwHS code7318140090MaterialLow carbon steelFinishwhite ... yellow zinc plated,plain,and so onHeadSlotted round head,Slotted flat head,Slotted oval head,Hex head,Phillips round head,Phillips ... flat head,Phillips oval headThread/Point/Size3.5*16~4. ...