
Durable Rock Drill Steel Retainer Set for Heavy Use. Adjustable Impact Frequency: Three-stage adjustment (42-50 Hz) adapts to rock formations for optimal speed and minimal wear. High Efficiency & Power: 20 kW maximum impact power ensures high drilling efficiency in mining and construction projects. Wide Drilling Range: Supports drilling diameters from 64mm to 115mm with a maximum depth of 25 meters. Global After-Sales Support: Over 100 engineers across 10 global hubs provide 24/7 technical support and on-site service. Comprehensive Warranty: 12-month warranty coverage with free parts and labor for mechanical defects. Multi-Certification Standard: Certified by CE, RoHS, ISO 9001:2000, and ISO 9001:2008 for quality assurance. Customizable Configuration: Custom solutions available for power, weight, rotation speed, and torque based on site conditions. Reliable Stability: Designed for strong stability and long service life under hard rock working conditions.