... types of Chipboard & Dry wall screw,Stock hex head bolt,Threaded Rods,Hex head wood screw,Carriage bolt and other products which ... plated-------690usd/tonCarriage bolt(din603),zinc plated-------830usd/tonHex head wood screw(din571),zinc plated--------850usd/tonStock hex.head bolt(din912 ... RegardsGAOJIASHAN EVERSHINE INTERNATIONAL TRADE CO.,LTDchina cross recessed round head wood screw DIN7996