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1.Size:M6-M52
2.Standards:DIN ,ANSI/ASME,BS,GB,JIS,Non-standard
3.Surface:plain,zinc plated,black oxide,hot dip galv.etc.

1.Size:M6-M52
2.Standards:DIN ,ANSI/ASME,BS,GB,JIS,Non-standard
3.Surface:plain,zinc plated,black oxide,hot dip galv.etc.



