Product Description
Designed for maximum strength and reliability, our Heavy-Duty Hex Head Bolt is engineered to withstand the toughest conditions in commercial trucking. Manufactured from high-tensile alloy steel, these bolts provide superior clamping force and vibration resistance, ensuring critical components stay securely fastened. Ideal for suspension systems, wheel hubs, and chassis assemblies, they meet DOT, ISO, and SAE standards for safety and performance.
Product Classification
Type:
High-Strength Hex Head Bolt
01
Category:
Commercial Vehicle Fasteners
02
Application:
Axle and suspension mounting
Brake system retention
Fifth wheel and kingpin connections
Trailer frame assembly
03
Compatibility:
SAE & Metric sizes (M10-M24, 3/8"-1")
04
Technical Specifications
| Thread Sizes | M10-M24 / 3/8"-1" |
| Tensile Strength | 120,000 psi (min) |
| Finish Options | Zinc-plated, black oxide, hot-dip galvanized |
| Lengths | 20mm-200mm (custom lengths available) |
Key Features
High-Strength Construction
Grade 8.8 / Grade 5 (ISO 898-1 / SAE J429)
Heat-treated for durability (Rockwell B 80-95)
Rolled threads for superior fatigue resistance
Corrosion & Wear Resistance
Zinc-nickel plating (ISO 4042 compliant)
Salt-spray tested (1000+ hours per ASTM B117)
Self-lubricating threads reduce friction during installation
Secure Fastening Performance
Full shank design for even load distribution
Precision machined hex head (wrench-friendly)
Torque-to-yield capable for critical applications
Easy Identification & Installation
Laser-etched grade markings
Chamfered ends for quick alignment
Color-coded heads (optional)
Competitive Advantages
30% Higher Tensile Strength vs. standard OEM bolts
Works in Extreme Conditions (–40°F to +400°F)
Vibration-Resistant – Reduces loosening risks
10-Year Rust Protection Guarantee
FMCSA/DOT Compliant – Meets FMVSS 571.105
Why Fleet Managers Choose Our Hex Bolts
Used by Major U.S. Fleets
Proven in real-world operations
Reduces Downtime
Eliminates fastener failures
Prevents Costly Repairs
Secure connections last longer
Fully Traceable
Batch numbers for quality control
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