Alloy Steel Heavy Truck Wheel Bolt Grade 10.9 12.9 Anti Loosening Thread OEM

Heavy Truck Alloy Steel Wheel Bolts Grade 10.9 & 12.9

These heavy truck alloy steel wheel bolts are manufactured to Grade 10.9 and 12.9 specifications with an advanced anti loosening thread design. Providing OEM level quality and reliability, these bolts ensure secure wheel fastening for commercial trucks under the most demanding road and load conditions.

Key Features

• Alloy Steel Wheel Bolts: Forged from premium 40Cr/42CrMo alloy steel with precise heat treatment, providing exceptional tensile strength and fatigue resistance for heavy duty wheel fastening applications.
• Grade 10.9 / 12.9: Available in two high-strength grades to match OEM specifications. Grade 10.9 offers 1000MPa tensile strength, while Grade 12.9 delivers 1200MPa for the most demanding heavy truck applications requiring maximum clamping force.
• Anti Loosening Thread: Serrated thread profile with locking mechanism prevents self-loosening under vibration, thermal cycling, and dynamic loading, ensuring consistent wheel clamping torque throughout extended service intervals.
• OEM Specification: Manufactured to match original equipment dimensions, thread specifications, and mechanical properties for direct replacement compatibility with major heavy truck brands including Dongfeng, Sinotruk, and Foton.
• Corrosion Protection: Available with zinc plating or black oxide surface treatment to resist rust and corrosion from road salt, moisture, and harsh environmental exposure, extending bolt service life.
• Precision Machining: CNC machined threads with tight tolerance control ensure smooth installation, accurate torque-to-clamp relationship, and uniform load distribution across the bolt flange surface.

Technical Specifications

Packaging & Delivery

Each bolt is packaged in a branded plastic bag with product label, then packed in export-grade corrugated cartons. Standard delivery: 3 working days for stock items, 10-15 days for production orders.