Standard Specification for Stainless Steel Metric Bolts ...
What grades of nuts are available? Grades 304 and 316 stainless steel nuts are available plus Super Duplex 2507 stainless for salt water environments. What strength of stainless nuts are available? Stainless steel nut strength varies depending on the wire they are manufactured from and production methods used. Most metric size nuts are made to a tensile strength of over 700 MPa and are as marked A2-70 and A4-70.
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