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Xiamen Grade 8.8 Stud Bolt
QS Fastener: Xiamen Grade 8.8 Stud Bolt
Product : Xiamen Grade 8.8 Stud Bolt
Size: 5/8 Inch
Material: ASTM A193 B7M
Thread:11 UNC
Thread Class: 2A
Length: 95 mm
Standard for Bolt: ASME B18.31.2
Size: 5/8 Inch
Material: ASTM A193 B7M
Thread:11 UNC
Thread Class: 2A
Length: 95 mm
Standard for Bolt: ASME B18.31.2
Quantity
Our Grade 8.8 Stud Bolt is a high-strength threaded fastener engineered for demanding industrial bolting applications. Manufactured in Xiamen to strict quality controls, this stud bolt combines dimensional precision with metallurgical reliability. The 5/8 inch nominal size, combined with an 11 UNC thread series and Thread Class 2A, ensures consistent engagement and reproducible torque-tension relationships – critical for both assembly shops and field maintenance crews.
Material & Performance
Produced from ASTM A193 B7M alloy steel, this Grade 8.8 Stud Bolt delivers a balanced profile of tensile strength, notch toughness, and resistance to stress corrosion. The B7M grade is specifically heat‑treated and double‑tempered to achieve the mechanical properties required by Grade 8.8, while offering improved ductility over standard B7 – an advantage in cyclic loading or vibration‑prone environments. With a 95 mm overall length, it accommodates a wide grip range, reducing the need for multiple inventory SKUs.
Produced from ASTM A193 B7M alloy steel, this Grade 8.8 Stud Bolt delivers a balanced profile of tensile strength, notch toughness, and resistance to stress corrosion. The B7M grade is specifically heat‑treated and double‑tempered to achieve the mechanical properties required by Grade 8.8, while offering improved ductility over standard B7 – an advantage in cyclic loading or vibration‑prone environments. With a 95 mm overall length, it accommodates a wide grip range, reducing the need for multiple inventory SKUs.
Thread Precision & Standards
The 11 UNC thread form (coarse pitch) facilitates rapid assembly and resists galling in carbon steel applications. Thread Class 2A provides a controlled clearance fit, enabling smooth installation even with plated or coated nuts, while maintaining load‑bearing stability. This stud bolt is designed in full compliance with ASME B18.31.2, ensuring interchangeability and traceability for engineering documentation.
The 11 UNC thread form (coarse pitch) facilitates rapid assembly and resists galling in carbon steel applications. Thread Class 2A provides a controlled clearance fit, enabling smooth installation even with plated or coated nuts, while maintaining load‑bearing stability. This stud bolt is designed in full compliance with ASME B18.31.2, ensuring interchangeability and traceability for engineering documentation.
Typical Applications
– Flange connections in piping systems (oil, gas, water, and chemical processing)
– Pressure vessels and heat exchangers where bolting integrity is safety‑critical
– Structural steel joints and heavy equipment mounting bases
– Valve bonnet and pump casing fastening
– General industrial maintenance, repair, and overhaul (MRO) projects
– Flange connections in piping systems (oil, gas, water, and chemical processing)
– Pressure vessels and heat exchangers where bolting integrity is safety‑critical
– Structural steel joints and heavy equipment mounting bases
– Valve bonnet and pump casing fastening
– General industrial maintenance, repair, and overhaul (MRO) projects
Quality Assurance
Each batch is subject to dimensional verification, hardness testing, and positive material identification (PMI). Our production facility in Xiamen operates with ISO‑certified processes, ensuring that every Grade 8.8 Stud Bolt meets or exceeds the required proof load and yield strength values.
Each batch is subject to dimensional verification, hardness testing, and positive material identification (PMI). Our production facility in Xiamen operates with ISO‑certified processes, ensuring that every Grade 8.8 Stud Bolt meets or exceeds the required proof load and yield strength values.
Why Choose This Stud Bolt?
By selecting our 5/8"Grade 8.8 Stud Bolt, you gain a fastener that bridges the gap between conventional medium‑strength bolts and premium high‑alloy solutions. It offers an optimal cost‑to‑performance ratio for projects that demand reliable clamping force, corrosion resistance under moderate environments, and full compliance with international bolting standards. Available in bulk packaging or custom labelling – contact our technical team for torque recommendations, nut compatibility, and delivery schedules.
By selecting our 5/8"Grade 8.8 Stud Bolt, you gain a fastener that bridges the gap between conventional medium‑strength bolts and premium high‑alloy solutions. It offers an optimal cost‑to‑performance ratio for projects that demand reliable clamping force, corrosion resistance under moderate environments, and full compliance with international bolting standards. Available in bulk packaging or custom labelling – contact our technical team for torque recommendations, nut compatibility, and delivery schedules.
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