Inner hexagon bolt tail cover (inner circle/hexagonal) Anchor bolt B70.1,DIN912,DIN6912,ISO4762,ASME/ANSI B18.3.1M-1,DIN7984,ISO7380,DIN7991,ISO10642,GB70.4,ISO7380-2

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Heavy duty spring washers,GB7244,ASME/ANSI B18.21.1

Hexagonal flange head protective cover (hexagonal flat head/round head/hexagonal flat head+round head) GB5787,DIN6921,ISO4162,GB5789,DIN6922,GB5788,GB16674.3,GB35481,DIN34801,DIN34800,DIN7504,DIN571