Product Introduction

Structure

This front leaf spring bolt is a high-strength fastener manufactured to strict OE standards, featuring a hexagonal head design for torque wrench engagement, a precision-machined shank with a smooth unthreaded section, and a full-thread end for secure nut retention. The entire component is treated with a zinc-plated anti-corrosion finish for enhanced environmental resistance.

Performance

Forged from premium alloy steel and heat-treated for optimal tensile strength, it withstands extreme clamping forces and vibrational loads inherent in heavy-duty suspension systems. The zinc plating provides superior resistance to rust, salt spray, and chemical corrosion, ensuring reliable performance in temperatures ranging from -40°C to 120°C.

Core Function

1. Serves as the primary fastener for clamping multiple leaf spring plates together, maintaining the structural integrity of the front leaf spring assembly under dynamic loading.

2. Establishes a rigid yet secure connection between the leaf spring stack and the front axle or hanger brackets, ensuring precise alignment of suspension components.

3. Resists loosening under sustained vibration and heavy impacts, preventing premature wear of leaf spring eyes, bushings, and mounting brackets.

4. Meets the critical safety requirements of heavy-duty truck suspensions, ensuring the front axle remains properly positioned for stable steering and braking performance.

Front Leaf Spring Bolts 06.02839.0012 for SHACMAN Trucks – Premium Quality, Factory Direct

When your SHACMAN truck’s suspension system demands reliable fastening, every bolt matters. The Front Leaf Spring Bolts 06.02839.0012 serve as the critical link between your leaf spring assembly and the chassis frame, keeping everything locked tight under heavy loads and rough terrain. Sourced directly from our factory and engineered to meet OEM specifications, these bolts deliver the clamping force and fatigue resistance that commercial fleet operators depend on daily.

At Mettlead, we specialize in supplying genuine-quality SHACMAN truck parts to buyers worldwide. Whether you manage a fleet maintenance workshop or run a parts distribution business, this front leaf spring bolt set gives you the durability and dimensional accuracy you need — at a competitive factory-direct price.

Features and Benefits of Front Leaf Spring Bolts 06.02839.0012

Precision-Engineered for SHACMAN Suspension Systems

These front leaf spring bolts are not generic fasteners. They are purpose-built to match the exact thread pitch, shank diameter, and tensile strength required by SHACMAN’s front suspension design. As a result, they seat perfectly into the spring eye and mounting bracket without any modification.

• OEM Part Number: 06.02839.0012 — ensures direct fitment and eliminates guesswork during installation.
• High-Tensile Steel Construction: Manufactured from heat-treated alloy steel, these bolts resist shear stress and fatigue cracking even under continuous vibration.
• Corrosion-Resistant Surface Treatment: A protective coating shields against rust, road salt, and moisture — extending service life significantly.
• Consistent Torque Performance: Precision-rolled threads allow uniform clamping force, so your leaf spring pack stays securely compressed over time.
• Reduced Downtime: Direct OEM-spec replacement means faster installation and fewer comebacks, which translates into real cost savings for fleet operators.

Why Procurement Managers Choose Mettlead

Sourcing truck parts from China doesn’t have to feel like a gamble. With Mettlead, you get transparent communication, strict quality control at every production stage, and flexible payment options that protect both parties. Moreover, we welcome factory visits so you can verify our capabilities firsthand.

• Factory-direct pricing — no middlemen inflating your costs.
• Full range of SHACMAN genuine-quality parts in stock.
• White-label and custom packaging available for distributors building their own brand.
• Fast, reliable international shipping with proper export documentation.

Technical Specifications

Application Scenarios

Compatible Vehicles and Installation Context

The Front Leaf Spring Bolts 06.02839.0012 are designed specifically for SHACMAN heavy-duty trucks equipped with multi-leaf front suspension. They perform three essential functions within the chassis system:

1. Fastening the front leaf spring assembly — These bolts clamp the individual spring leaves together and secure the entire pack to the axle seat and frame hanger.
2. Locking suspension mounting points — They prevent lateral and longitudinal movement at the spring eye, maintaining proper axle alignment under load.
3. Absorbing dynamic stress — During braking, acceleration, and cornering, these bolts bear significant shear and tensile loads without loosening.

If you notice clunking noises from the front axle, uneven tire wear, or visible bolt corrosion during routine inspections, it is time to replace your front leaf spring bolts before the issue escalates into a costly suspension failure.

Looking for additional chassis and suspension components? Browse our complete SHACMAN chassis parts catalog or visit our comprehensive SHACMAN truck chassis parts page for related items like U-bolts, spring pins, shackles, and bushings.

OEM/ODM Capability

Mettlead isn’t just a parts supplier — we are your manufacturing partner. Our production facility supports both OEM-spec replication and custom development to fit your unique market requirements.

• OEM Supply: We manufacture to original equipment drawings and tolerances, ensuring bolt-for-bolt interchangeability with factory-installed hardware.
• White-Label Packaging: Building your own parts brand? We provide neutral or custom-printed packaging with your logo, part numbers, and barcodes.
• Custom Specifications: Need a different surface finish, thread length, or material grade? Our engineering team can adjust production parameters to your specifications.
• Quality Assurance: Every batch undergoes dimensional inspection, hardness testing, and surface quality checks before shipment. We document results and can share inspection reports upon request.

Whether you need 100 pieces or 10,000, our flexible production lines scale to match your order volume without sacrificing quality or delivery speed.

Frequently Asked Questions

What exactly does the front leaf spring bolt 06.02839.0012 do?

This bolt secures the front leaf spring assembly to the chassis mounting bracket on SHACMAN trucks. It keeps the individual spring leaves clamped together and prevents the suspension from shifting under load. Think of it as the anchor that holds your entire front suspension geometry in place.

How do I know when these bolts need replacement?

Common signs include visible rust or pitting on the bolt surface, thread damage, audible clunking from the front axle area, or any measurable play in the leaf spring mounting. During regular inspections, if you notice the bolt has stretched or the nut no longer holds proper torque, replacement is necessary to prevent suspension failure.

Is this bolt compatible with all SHACMAN truck models?

Part number 06.02839.0012 is designed for SHACMAN trucks that use a multi-leaf front spring suspension with this specific bolt specification. However, since SHACMAN produces multiple model series, we recommend confirming your vehicle’s VIN or existing part number before ordering. Our team can help you verify fitment — simply contact us with your truck model and year.

What material and strength grade are these bolts made from?

They are manufactured from heat-treated high-tensile alloy steel, typically meeting Grade 10.9 strength standards. This means they can withstand substantial shear loads and repeated stress cycles without failing prematurely.

Can I order a small trial quantity before committing to a large order?

Absolutely. We understand that procurement managers need to validate quality before scaling up. We accommodate trial orders so you can inspect dimensions, material quality, and finish before placing bulk quantities. Reach out to discuss your specific needs.

Do these bolts come with matching nuts and washers?

The standard listing covers the bolt itself as per OEM part number 06.02839.0012. If you need a complete hardware kit including nuts, flat washers, and lock washers, let us know — we can package them together as a set for your convenience.

Ready to Secure Your Supply of SHACMAN Front Leaf Spring Bolts?

Stop overpaying for basic suspension hardware through middlemen. Mettlead delivers factory-quality Front Leaf Spring Bolts 06.02839.0012 at competitive prices, backed by rigorous quality control and responsive customer support.

Whether you need a quick quote, technical clarification, or want to discuss long-term supply arrangements, our team is ready to help. We respond to most inquiries within 24 hours — because we know in this business, time is money.

Contact us now to request pricing, confirm part compatibility, or arrange a factory visit. Let’s build a reliable parts supply chain together.