Rock Drill Rod Integral Drill Rod For Quarry Tunnel Mining
Integral Hex Hollow Rock Drill Rod For Quarry Tunnel Mining
Our integral drill rod undergoes strict quality control from billet selection to casting processing. Through refined manufacturing processes and continuous improvement, we deliver superior product quality and extended service life - a testament to our commitment to excellence and customer satisfaction.
Product Specifications
| Bit diameter range |
26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm |
| Length |
400mm to 7000mm |
| Shank size |
Hex22x108mm, Hex19mmx108mm, Hex25mmx159mm |
Key Advantages
Our tapered drill rod offers versatile compatibility with multiple drill bits for drilling blast holes of various diameters. Designed for efficiency and cost-effectiveness, it eliminates the need for scrapping after bit abrasion while offering simple maintenance and low per-meter drilling costs.
Product Benefits
- Through-hardened shank end for high wear resistance and extended service life
- Stainless steel flushing tube lining prevents corrosion and breakage
- Super tough 40SiMnCrNiMo steel formulation for wet or dry drilling applications
- Special anti-corrosion oil protects the rod's flushing hole
- High-quality insert with special bronze-brazing process for superior durability
