Roll-fast is bigger diameter bolts & nuts in Stainless Steel Bolts grades in A4-70, A4-80, B8, B8M Class 1 and class 2, SS316S31, A4-70L and A4-80L as per ISO 3506-1 & B7, B16, B8, B8M as per ISO ASTM A193 . These bolts & nuts are widely used in areas where there is high risk of rusting due to application or in areas near to sea shore. Stainless steel bolts are rust free and depending upon the grade they provide the required protection from extreme climatic conditions.
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