
High-Performance Pr40 130mm DTH Hammer for Reverse Circulation. Customizable Color: Available in Gold or customized colors as per customer request. Patent-Designed Bits: Equipped with patented bits to ensure sample purity and easy size changes. Easy Maintenance: Simple internal structure with high rigidity components for long life. Integrated Collection Tube: Adopts integrative design replaceable without disassembling the hammer. Abrasive Resistance: Carburizing treatment ensures good abrasive resistance for durability. Versatile Application: Effective in loose soil, hard rock, and high water conditions. OEM & ODM Support: Accepts OEM and ODM with expert R&D team support. Fast Delivery: 5-10 days for stock items; 15-25 days for customized orders.