High Tensile Strength And Heavy Duty M14×40mm Bolts And Nuts For Excavator & Bulldozer Undercarriage Parts
High-Strength M14×40mm Bolts and Nuts for Heavy Equipment Applications
Our M14×40mm bolts and nuts are engineered for excavator and bulldozer undercarriage systems, providing reliable fastening performance in demanding construction, mining, quarrying, and earthmoving environments. Manufactured from high-quality alloy steel and subjected to precision heat treatment, these fasteners deliver excellent tensile strength, wear resistance, and long-term durability.

Key Features
- High tensile strength for demanding working conditions
- Heavy-duty construction for excavator and bulldozer undercarriages
- Precision metric threads for accurate installation
- Excellent clamping force to maintain secure fastening
- Heat-treated alloy steel for enhanced durability
- High hardness with superior wear resistance
- Corrosion-resistant surface treatment
- Outstanding vibration resistance
- Stable performance under high impact loads
- Reliable fastening for long service life
- Precision machining for consistent dimensions
- Suitable for OEM replacement and aftermarket maintenance
Product Specifications
Item | Specification |
| Product Name | M14×40mm Bolts and Nuts |
| Bolt Diameter | M14 |
| Bolt Length | 40 mm |
| Thread Type | Metric Thread |
| Material | High-Strength Alloy Steel |
| Heat Treatment | Yes |
| Surface Finish | Black Oxide, Zinc Plated or Customized |
| Hardness | Heat Treated |
| Fastening Type | Bolt & Nut Assembly |
| Application | Excavator & Bulldozer Undercarriage |
| Installation | Direct Replacement |
| OEM/ODM | Available |
Applications
These M14×40mm bolts and nuts are widely used for fastening various undercarriage components, including:
- Track Rollers
- Carrier Rollers
- Idlers
- Sprockets
- Track Adjusters
- Track Frames
- Track Shoe Assemblies
- Guard Plates
- Heavy Equipment Structural Connections
Suitable for construction machinery operating in:
- Mining
- Quarry Operations
- Road Construction
- Earthmoving Projects
- Forestry
- Demolition
- Infrastructure Construction

Quality Control
Every production batch undergoes strict quality inspections, including:
- Raw material verification
- Dimensional inspection
- Thread accuracy testing
- Heat treatment verification
- Hardness testing
- Tensile strength testing
- Surface finish inspection
- Final quality inspection before shipment

Why Choose Our M14×40mm Bolts and Nuts?
- Premium alloy steel materials
- Stable and consistent product quality
- Precision manufacturing technology
- Long service life
- Competitive pricing
- OEM & ODM support
- Fast global delivery
- Professional technical support
- Suitable for construction and mining equipment
FAQ
Q1: What equipment are these M14×40mm bolts and nuts suitable for?
They are suitable for excavators, bulldozers, and other heavy equipment requiring high-strength undercarriage fastening components.
Q2: Can you manufacture according to OEM specifications?
Yes. We support OEM and customized production based on drawings, samples, or technical requirements.
Q3: What materials are available?
Our standard products are manufactured from high-strength alloy steel with heat treatment. Other materials can be provided according to customer requirements.
WhatsApp: +86 15059592822
www.bulldozerpart.com
M14x40mm Bolts, Heavy Duty M14x40mm Bolts, High Tensile Strength M14x40mm Bolts, Excavator Undercarriage Parts M14x40mm Bolts, Bulldozer Undercarriage Parts M14x40mm Bolts