Hex Castle Nut DIN937/DIN935/ANSI Haiyan Fuhong Fastener Co., Ltd Base Info Model NO.：M3 TO M30, 1,4 TO 1"Material：Carbon SteelStandard：DIN, ANSI, GBGrade：8.8Trademark：F1Specification：M3 TO M30, 1,4 TO 1"Origin：China Description Pre：Stainless Steel Screw Next：Electrodeposition Coating Screw
