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High-Quality Excavator Undercarriage Track Roller Bolt - China Suppliers & Factory for Heavy-Duty Performance
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
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High-Tensile Strength: Manufactured from premium alloy steel (Grade 10.9/8.8) to prevent shearing and deformation under heavy loads.
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Precision Threads: Rolled threads ensure a tight, vibration-resistant fit that prevents loosening during operation.
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Corrosion Resistant: Treated with a durable black oxide coating to withstand rust and harsh environmental conditions.
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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.
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Compatible Machinery: Excavators, Bulldozers, Crawler Cranes.
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Compatible Brands: Komatsu, Caterpillar (CAT), Hitachi, Kobelco, Volvo, Hyundai, etc.
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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 grade of steel are HeSen Track Roller Bolts made from?
HeSen Track Roller Bolts are manufactured from premium alloy steel in Grade 10.9 and Grade 8.8, providing exceptional tensile strength to resist shearing and deformation under the heavy loads typical in excavator and bulldozer undercarriage applications.
Which excavator brands are these track roller bolts compatible with?
These track roller mounting bolts are compatible with all major heavy machinery brands including Komatsu, Caterpillar (CAT), Hitachi, Kobelco, Volvo, Hyundai, and many more. They are machined to exact OEM dimensions for a seamless fit.
How does the black oxide coating protect against corrosion?
The black oxide finish creates a protective layer on the bolt surface that resists oxidation and rust. This treatment is specifically designed to perform in harsh working environments including muddy, wet, and highly abrasive construction sites, significantly extending the service life of the fastener.
What quality testing do HeSen track roller bolts undergo?
Every HeSen track roller bolt undergoes rigorous quality testing including hardness testing, tensile strength verification, and dimensional accuracy inspection. All products are required to meet international standards before shipment, ensuring safety and reliability for your heavy machinery.
Why are rolled threads important for track roller bolts?
Rolled threads are cold-formed under pressure, which increases the thread's surface hardness and fatigue resistance compared to cut threads. This manufacturing method produces a tighter, more precise thread profile that maintains a vibration-resistant fit, preventing the bolt from loosening during continuous heavy-duty machine operation.
Can these bolts be used for both track rollers and idlers?
Yes. HeSen Track Roller Bolts are machined to exact OEM specifications and are suitable for use as undercarriage fasteners on both track rollers and idlers across a wide range of crawler-type heavy equipment including excavators, bulldozers, and crawler cranes.