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China Suppliers Factory High-Tensile Track Roller Bolt for Excavator Undercarriage Systems
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 are HeSen Excavator Track Roller Bolts manufactured to?
HeSen Track Roller Bolts are manufactured from premium alloy steel to Grade 10.9 and Grade 8.8 standards. These grades ensure exceptional tensile strength and resistance to shearing and deformation, making them suitable for the most demanding heavy-equipment applications.
Which excavator brands are these track roller bolts compatible with?
HeSen Track Roller Bolts are compatible with a wide range of leading construction machinery brands, including Komatsu, Caterpillar (CAT), Hitachi, Kobelco, Volvo, and Hyundai, among others. They are machined to OEM dimensions to ensure a precise fit.
What surface treatment is applied to prevent corrosion on these bolts?
Each bolt is treated with a durable black oxide coating that provides superior resistance to rust and corrosion. This finish is specifically chosen for its performance in muddy, wet, and abrasive environments commonly encountered on construction and mining job sites.
How do rolled threads improve the performance of track roller bolts?
Rolled threads are cold-formed rather than cut, which increases the material's grain density and surface hardness. This process creates a stronger, more fatigue-resistant thread profile that provides a tighter, vibration-resistant fit — significantly reducing the risk of bolts loosening during excavator operation.
What quality testing do HeSen track roller bolts undergo before shipment?
HeSen fasteners are subject to rigorous quality control procedures that include hardness testing, tensile strength verification, and dimensional accuracy inspection. Every batch is tested to ensure compliance with international standards, guaranteeing the safety and long-term durability your heavy machinery requires.
Can these bolts be used on crawler cranes and bulldozers in addition to excavators?
Yes. HeSen Track Roller Bolts are designed for use on a variety of tracked heavy machinery, including excavators, bulldozers, and crawler cranes. Their OEM-compliant dimensions and high-strength construction make them a reliable undercarriage fastening solution across multiple machine types.