
Building Construction Equipment Heavy Excavator Attachment Hydraulic Demolition Hammer for Sale. Nitrogen-Enhanced Hydraulic System: Delivers powerful impact force with 250-400 bpm impact rate for crushing medium-hard rocks. Durable Alloy Steel Construction: Made of high-strength 42/40/20CrMo alloy steel with cold heat treatment for long life. Optimized Excavator Compatibility: Precision-engineered for 28-40 ton excavators ensuring stable connection and reduced vibration. Quick-Change Chisel System: Simplifies on-site maintenance and significantly cuts downtime for efficient operations. Comprehensive OEM/ODM Service: Full customization available for models, chisel sizes, color branding, and logo printing. 1-Year Warranty Coverage: Covers mechanical defects with free replacement parts for failures caused by product quality. 24/7 Technical Support: Sales and technical teams respond to inquiries within 24 hours excluding holidays. CE and ISO9001 Certified: Complies with international quality standards ensuring safety and reliability for global markets.