Unifit Metalloys Inc. is a leading manufacturer and supplier of A453 Gr.660b hex nuts, serving industries from Mumbai, India. These high-quality hex nuts conform to ASTM A453 Grade 660 standards, making them suitable for demanding high-temperature and high-stress environments, such as petrochemical, power generation, and infrastructure applications. All fasteners are produced under st... https://www.unifitmetalloys.com/fasteners-manufacturer-exporter.html