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A325 hex bolt is heavy structural bolt with grade 8.8,The minimum tensile strength is 830 MPa,

size from 1/2 to 1-1/2

Mostly surface treatment is black and hot dip galvanized

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Room1305, Building A, No.1 West Zhenning RD, Zhenhai District, Ningbo, 315200, China

+86-13780056093 / +86-574-86662856