EK 520 QX-Ring Black Chain 120L (10)

Experience precision and enduring performance with the EK 520 QX-Ring Black Chain 120L (10). Engineered for 520-pitch saws, this chain delivers steady bite, clean cuts, and dependable reliability when the job matters most. The sleek black finish not only looks striking but also adds corrosion resistance for longer life in challenging environments.

• QX-Ring braking and sealing system minimizes friction and heat, helping the chain stay cooler under heavy cutting, extend wear life, and maintain smooth performance even during extended cutting sessions.
• Black coating provides enhanced durability against corrosion and reduces glare, making it easier to monitor wear during long work days.
• 120 drive links (120L) designed for compatibility with longer bars and stable, predictable tracking, reducing derailment and improving cutting control on demanding jobs.
• Durable construction with hardened cutting teeth built to hold sharpness longer, ideal for felling, bucking, limb removal, and tough wood.
• Value-packed 10-pack delivers ready-to-use replacements for fleets, shops, and contractors who rely on consistent performance without frequent reordering.

Why choose the EK 520 QX-Ring Black Chain over others? The combination of 520-pitch geometry, QX-Ring technology, and a resilient black finish translates to cooler operation, less wear on bar rails, and more dependable cuts when cutting hardwoods, dealing with knotty timber, or tackling storm cleanup.

Ideal use cases

• Professional forestry and logging tasks where durability and consistent performance matter.
• Tree care, storm cleanup, and property maintenance requiring reliable, long-lasting chains.
• Rental fleets and maintenance shops needing a cost-effective, high-performance 10-pack option.

Compatibility and care tips

Designed for chainsaw bars configured for 520 pitch chains and compatible with 120 drive links. Before installation, verify your bar’s pitch and drive-link count to ensure a proper fit. Keep the chain well-lubricated with quality bar-and-chain oil, maintain proper tension, and regularly file or sharpen to preserve cutting efficiency. With correct care, the EK 520 QX-Ring Black Chain 120L (10) delivers dependable performance cut after cut.