Manufacturer & Supplier of ASTM A453 GR.660 Studs Bolt Nuts. Our product range also comprises of Hastelloy Bolts, Stainless Steel Fasteners and Foundation Bolts. Item Code: 2205 Item Code: ASTM-A453 A286(ASTM A453 GR.660 ) is a precipitation hardening, austenitic stainless steel designed for use at temperatures up to 1300°F (704°C), where high tensile strength, excellent creep strength and good corrosion resistance are required. AANURAJ INDUSTRIES are experts in the manufacture of all types of A286 fasteners, from A286 Hex Nuts, A286 Hex Bolts & A286(ASTM A453 GR.660 ) Studbolts through to complete special fasteners made to Drawings. AI manufactured Special Fasteners in specification ASTM A453 660 are used in all types of applications including Oil production, Infrastructure,jet engines, gas turbines, and super-charger components.