| Customization: | Available |
|---|---|
| Certification: | GS, ISO 9001 |
| Sales Area: | Global |
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coal mine spiral auger twist drill rod 36mm/38mm rod : 
1.About Us
We are a professional manufacturer specialized in series of drill tools: PDC, PDC drill bits, diamond drill bits, etc. We can also produce other products according to the customers requirements. We sincerely welcome our friend both home and abroad to come for business talks.
2.Introductions and features of twist drill pipe/spiral drill pipes :
1.Spiral drill pipes Design feature: overlay spiral. It guarantees big torque, quick slagging, and clear hole forming. Besides, the drill bit will hardly get stuck.
Application:
1.Soft coal bed, and other formation similar to coal bed.
2.The tapered drill rod is used for rock drilling, blasting holes and other drilling works in the quarries, coal mines, traffic and other constructions.Generally, the lightduty rock drill uses 7 taper or smaller taper angle, the heavyduty rock drill mainly uses 12 taper angle.
3. twist drill pipe/spiral drill rod photos:
| Auger drill rod dia | Shank length | Weight |
| 26mm | 55mm/60mm/70mm | 2.4KG/M |
| 28mm | 55mm/60mm/70mm | 2.8KG/M |
| 36mm | 55mm/60mm/70mm | 3.2KG/M |
| 38mm | 55mm/60mm/70mm | 3.6KG/M |
| 40mm | 55mm/60mm/70mm | 3.8KG/M |
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