ISO Certified ASTM A320 L7 Low Temperature Alloy Steel Hex Head Bolts for Extreme Cold Environments

Our high-quality bolts and nuts are precision-engineered fastening solutions designed for extreme cold environments and heavy-duty applications. Manufactured using advanced stamping processes, these components deliver exceptional dimensional accuracy, structural integrity, and reliable performance under significant mechanical stress.

The product features a 26mm inner diameter for versatile fastening applications and includes a set configuration of 3 nuts per bolt, providing enhanced security, balanced load distribution, and superior resistance to vibration and thermal expansion.

• Product Name: Bolts and Nuts
• Coating: Enhanced durability and corrosion resistance
• Quality Level: Available in 10.9 and 12.9 grades for high strength applications
• Thread Type: Fine Thread for precise fastening
• Quantity: 100 pieces per pack
• Inner Diameter: 26mm (1.02in)
• Includes ASTM A194 Grade 8M stainless steel nuts for superior corrosion resistance
• Hot dip galvanized (HDG) bolts and nuts grade 8.8 for excellent rust protection
• Features ASTM A449 high strength carbon steel hex bolts for reliable performance

Our bolts comply with stringent international standards including:

• ASTM A354 Grade BD alloy steel bolts for high strength and toughness
• ASTM A193 B8M Class 2 stainless steel stud bolts (SS316) for corrosion resistance
• ASTM A194 2H heavy hex nuts for high pressure and temperature conditions
• ISO 3506 A4-80 stainless steel bolts and nuts (SS316) for harsh environments
• ISO 898-1 class 8.8 high tensile bolts and nuts for mechanical stress applications

These fasteners are essential for mechanical assembly across multiple industries including automotive, construction, heavy machinery, petrochemical plants, offshore platforms, marine environments, and infrastructure projects where reliability, strength, and precision are paramount.

We offer comprehensive customization services with each unit consisting of one bolt, three nuts, one washer, and a sealing ring. Customize materials, sizes, and quality levels to meet your specific project requirements, backed by rigorous quality assurance and adherence to global standards including ASTM A320 B8 Class 1 and EN 15048-1 specifications.

Our dedicated support team provides technical guidance on product selection, installation, maintenance, and troubleshooting. Services include material verification, strength testing, compliance certification, and bulk order consultations. For warranty claims and detailed technical resources including installation manuals and torque specifications, please visit our website's support section or access our online knowledge base.