+86 13316070202
China Track Roller Bolt for Excavator Undercarriage - High-Quality Suppliers and Factory Direct Parts
Excavator Track Roller Bolt
Engineered to withstand extreme vibration and heavy impact, HeSen Track Roller Bolts are the critical fasteners that keep your undercarriage secure. Forged from high-tensile alloy steel and precision heat-treated, these bolts provide the necessary clamping force to hold track rollers in place. The specialized black oxide finish offers superior corrosion resistance, ensuring reliability in muddy, wet, and abrasive construction environments.
Key Features
High-Tensile Strength
Manufactured from premium alloy steel (Grade 10.9/8.8) to prevent shearing and deformation under heavy loads.
Precision Threads
Rolled threads ensure a tight, vibration-resistant fit that prevents loosening during operation.
Corrosion Resistant
Treated with a durable black oxide coating to withstand rust and harsh environmental conditions.
Strict Tolerances
Machined to exact OEM dimensions for seamless installation on track rollers and idlers.
Product Gallery
Applications
Essential for securing the bottom rollers on track frames.
-
Compatible Machinery: Excavators, Bulldozers, Crawler Cranes.
-
Compatible Brands: Komatsu, Caterpillar (CAT), Hitachi, Kobelco, Volvo, Hyundai, etc.
-
Part Type: Undercarriage Fasteners, Track Roller Mounting Bolts.
Quality Assurance
HeSen fasteners undergo rigorous testing for hardness, tensile strength, and dimensional accuracy. We ensure every bolt meets international standards, providing the safety and durability your heavy machinery demands.
Frequently Asked Questions
What material grade are HeSen Track Roller Bolts?
HeSen Track Roller Bolts are manufactured from premium high-tensile alloy steel, complying with Grade 10.9 and Grade 8.8 specifications to prevent shearing and deformation under extreme loads.
How do these bolts resist rust and corrosion?
The bolts are treated with a specialized black oxide finish. This coating provides superior corrosion resistance, ensuring long-term reliability in muddy, wet, and highly abrasive construction environments.
What brands of heavy machinery are these bolts compatible with?
Our track roller bolts are machined to exact OEM dimensions and are compatible with leading brands including Komatsu, Caterpillar (CAT), Hitachi, Kobelco, Volvo, Hyundai, and other major crawler equipment.
What makes HeSen bolts resistant to loosening from vibration?
These bolts feature precision rolled threads instead of cut threads. Rolled threads provide a tighter, more uniform fit that absorbs high vibration and prevents loosening during heavy-duty operation.
What quality testing do these bolts undergo?
Every batch of HeSen fasteners undergoes strict quality control testing, including hardness testing, tensile strength testing, and dimensional accuracy inspections, ensuring they meet rigorous international safety standards.