... part/channel nutchannel nut(M6,M8,M10,M12,1/2",1/4",5/16",3/8"): 1.Material:carbon steel;2.Surface treament:nickel plating ... ;6.Size:M6*6mm,M8*6mm,M8*8mm,M10*8mm,M10*9.1mm,M12*8mm,M12*9.1mm,M12*11.9mm,1/4",3 ... /8",5/16",1/2" )We hope to receive drawings or physical ...