Common Bolt is a standard threaded fastener which can provide stable and detachable joint performance for load-bearing and assembly applications. It is used for steel structures, machinery, and general construction connections.
Product Features
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Standard Thread Engagement
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High Structural Strength
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Anti-Loosening Performance
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Corrosion Protection
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Wide Compatibility
Suitable for steel structures, mechanical equipment, and general construction connections.
Technical & Compliance
Material
Carbon steel / Alloy steel
Strength Grade
4.8 / 8.8 / 10.9 (project-based selection)
Surface Treatment
Zinc plated / Hot-dip galvanized / Black oxide
Size Range
Diameter: M6–M30 (customizable)
Length: customizable
Standards
ISO / DIN / ASTM available
Customization Options
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Size Customization
Diameter and length adjusted based on structural and assembly requirements.
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Strength Grade Selection
Different strength grades available according to load-bearing conditions.
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Surface Treatment Options
Zinc plating, hot-dip galvanizing, or black finish based on corrosion environment.
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Head Type Options
Hex head, carriage head, or other forms available upon request.
Why Choose Us
In-House R&D & Production
Own design and manufacturing shorten development cycles and ensure consistent quality for bulk orders.
Reliable Global Supply
Products are supplied to real construction projects in Southeast Asia, the Middle East, Africa, Europe, and North America.
Export Execution Capability
Reinforced packing, optimized container loading, and complete export documents reduce shipping and clearance risks.
Trust of state-owned enterprises
Supplied materials for contractors such as China Railway and China State Construction Engineering Corporation, where steel structure buildings with strict project requirements.
FAQ
Q1: How to choose bolt strength grade?
Selection depends on load requirement, with 4.8 for general use and 8.8/10.9 for structural applications.
Q2: What affects bolt service life?
Material grade, surface treatment, and environmental exposure conditions.
Q3: Can bolts be supplied in different head types?
Yes, different head designs can be provided based on installation needs.
Q4: Are bolts suitable for outdoor use?
Yes, galvanized or coated bolts are suitable for outdoor and humid environments.
Q5: Can packaging be customized?
Yes, packaging can be adjusted for bulk shipment or retail distribution requirements.
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