Model NO.: ASTM A193 B7 Type: Hexagon Head Head Style: Hexagonal Grade: 10.9 Finish: Black Raw Material: B7 Surface Treatment: Black, Plain, Teflon Trademark: SD Origin: Ningbo Material: Carbon Steel Connection: Common Bolt Standard: ANSI Application: Chemical Industry Diameter: 1/2'' to 1 1/2'' Heat Treatment: Yes Port: Ningbo Port Specification: A193 B7 HS Code: 731815909
