... ,10,126) MaterialsSWRCH8A, SWRCH35K, Q195LY, 45#.DIN6923 Steel Hex Flange Nut:1, many years manufacturer and export experience; 2, Cooperate with ... of materials to include: low carbon, high tensile and alloy; 4, Working process include: cold forged, hot forged, and machining, also CNC machine ...