Simultaneous Drilling and Casing: Enables drilling and casing deep holes simultaneously in all formation types, including those with large boulders.
Wide Diameter Range: Reamed diameter available from 118mm to 378mm to suit various drilling requirements.
Multiple Hammer Compatibility: Compatible with Ql30, DHD340, DHD350, Ql60, Ql80, SD10 and other hammer models.
High-Quality Alloy Steel: Manufactured from high-quality alloy steel with strict inspection of all spare parts before shipping.
Flexible Customization: Offers full customization, minor customization, and flexible customization from samples or designs.
ISO 9001:2000 Certified: Manufacturing process adheres to ISO 9001:2000 standards for quality assurance.
Fast Production Time: Production completed within 15-25 days after receiving advance or full payment.
Secure Packaging: Packed in ply-wooden cases and pallets to prevent damage during transportation.