Bigboltnut is a reputed manufacturer, supplier and exporter of ASTM A194 Grade 2H Standard Nuts in India. Available in grade 2, 2H, 2HM, 4, 7, 7M, 8, 8M. ASTM A194 Grade 2H specifications apply to carbon, alloy, and stainless steel nuts for high pressure and/ high temperature applications. We have manufacture nut drawings for all sizes according to A 194. It is important to note that the ASTM A194 specification includes a variety of grades, and each grade is designed for a specific application. Grades such as 2, 2H, 2HM, 4, 7, 7M, 8, 8M have different materials and mechanical properties to meet different requirements.