The present invention supplies a drilling screw which can fix a gypsum board to a thin steel plate by utilizing an impact type air driven screw fastener and execution method for fixing efficiently {HEAD ~ the gypsum board} to {TAIL ~ the thin steel plate} 
The present invention supplies a drilling screw which can fix a gypsum board to a thin steel plate by utilizing an impact type air driven screw fastener and execution method for fixing efficiently { HEAD ~ the gypsum board } to { TAIL ~ the thin steel plate }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL