• Model NO.: A490M
• Type: Hexagon Head
• Head Style: Hexagonal
• Grade: 10.9
• Finish: Dacromet
• Raw Material: 40cr, 35CrMo
• Surface Treatment: Dacromet, Black
• Trademark: SD
• Origin: Ningbo, China

• Material: Carbon Steel
• Connection: Common Bolt
• Standard: ANSI
• Application: Building
• Diameter: M16-M36
• Heat Treatment: Yes
• Port: Ningbo Port, Shanghai Port
• Specification: ASTM
• HS Code: 7315189090