The Retainer Shank 86733243 is a critical load-bearing and alignment component exclusively engineered for the Montabert HC25 rock drill. As an original Montabert part, it serves as the precise interface between the drill’s impact piston and drill bit, ensuring 100% transfer of the HC25’s impact energy while maintaining perfect centering of the bit during high-vibration drilling.

This component is manufactured to Montabert’s strict factory specifications, guaranteeing a seamless fit and preserving the drill’s original performance. It prevents metal-to-metal wear between the piston and bit, and shields internal components from rock debris—making it essential for keeping your Montabert HC25 running reliably in harsh mining and tunneling environments.

• Original Montabert Engineering
• High-Impact Durability
• Precision Alignment & Sealing
• Debris Resistance & Self-Lubrication
• Designed for easy installation and maintenance

This Retainer Shank 86733243 is essential for:

•    Montabert HC25 rock drills drilling hard-rock blasting holes in surface and underground mining operations.
•    HC25 units performing tunnel anchor/support hole drilling in dense granite and basalt formations.
•    Routine maintenance and overhaul of Montabert HC25 rock drills, replacing worn or damaged original retainer shanks.