Inconel 718 Heavy Hex Nuts at wholesale

The material valuable: All grades of stainless steels.   
Duplex & super duplex: UNS S31803, S32760, S32750, ASTM A453 grade 660 A, B, C, D, 904L.   
Nickel alloys & super alloy steels: 
Inconel 625, 718. 
Incoloy 800, 800HT, 825, 925. 
Monel 400, 500. 
Hastelloy B3, C276, C4.   
Petrochemical grades: ASTM A193 B7, B8, B8M, B16, A194 2H, A320, L7, L7M, titanium, etc.    
Others: Nimonic 80A, 254SMo, 17-4PH, Alloy 59.