The 86334240 Shield is a critical sealing and protective component exclusively engineered as a genuine OEM part for the Montabert HC50 rock drill. As a dynamic buffer between the drill’s shank assembly and front housing, it acts as both a debris barrier and a wear-resistant seal, preventing rock dust, gravel, and moisture from entering the internal impact system while absorbing micro-vibrations during high-speed drilling.

Manufactured to Montabert’s exact factory specifications, this shield guarantees a seamless drop-in fit with the HC50’s shank and housing, preserving hydraulic pressure integrity and extending the service life of critical components. In harsh mining, tunneling, and quarrying environments—where abrasive dust and extreme vibration are constant—it directly protects the performance and reliability of your Montabert rock drill.

• Genuine Montabert Precision for Perfect HC50 Compatibility
• High-Impact Durability for Mining Operations
• Hydraulic Sealing & Debris Protection
• Optimized Design for Maintenance Efficiency

The 86334240 Shield is an indispensable replacement part for your Montabert rock drill in all core operational scenarios:

• Sealing the shank assembly of Montabert HC50 rock drills during underground mining blasting hole drilling (up to 30m depth) in hard-rock formations like granite and basalt.
• Protecting internal components of Montabert HC50 rock drills used for tunnel anchor and support hole drilling in wet, dusty infrastructure construction projects.
• Maintaining hydraulic integrity of Montabert HC50 rock drills in quarrying applications for stone cutting, rock excavation, and pre-splitting tasks.
• Restoring factory-spec sealing and wear protection during full overhauls or shank assembly replacement of Montabert rock drills.