Stud Bolt & Nut

ForgeBolt supplies Stud Bolt & Heavy Hex Nut manufactured according to ASTM standards for high-pressure and high-temperature applications. 

Stud Bolt Grades 

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Alloy Steel 

• ASTM A193 Grade B7  

• ASTM A193 Grade B7M  

• ASTM A193 Grade B16  

• ASTM A320 Grade L7  

• ASTM A320 Grade L7M  

• ASTM A540 Grades B21, B22, B23, B24  

Stainless Steel 

• ASTM A193 Grade B8 Class 1 & Class 2  

• ASTM A193 Grade B8M Class 1 & Class 2  

• ASTM A193 Grade B8C  

• ASTM A193 Grade B8T  

• ASTM A453 Grade 660  

Used in corrosive environments and chemical processing systems. 

Duplex & Super Duplex 

• ASTM A182 F51  

• ASTM A182 F53  

• ASTM A182 F55  

Suitable for marine and offshore environments. 

Heavy Hex Nut Grades 

Matching nuts supplied according to ASTM standards: 

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Carbon & Alloy Steel Nuts 

• ASTM A194 Grade 2H  

• ASTM A194 Grade 2HM  

• ASTM A194 Grade 7L  

Stainless Steel Nuts 

• ASTM A194 Grade 8  

• ASTM A194 Grade 8M  

• ASTM A194 Grade 8C  

• ASTM A194 Grade 8T  

Hex Bolt 

ForgeBolt supplies Hex Bolt and Heavy Hex Bolt manufactured to international standards. 

Typical grades include: 

• ASTM A307 Grade A / B  

• ASTM A325  

• ASTM A490  

• ASTM A449  

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Applications: 

• Structural connections  

• Equipment assembly  

• Industrial maintenance