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| Price | $3-$300 |
| MOQ | 100 pcs |
| Delivery Time | 10-15 days |
| Brand | MTH |
| Place of Origin | CHINA |
| Certification | ISO 9001 |
| Model Number | 7 Degree Tapered Drill Rod H22 Hexagon |
| Packaging Details | wooden case |
| Payment Terms | Western Union,MoneyGram,T/T |
| Supply Ability | 5000 pieces per month |
| Usage | Rock drilling,mining,Hole Drilling | Place of Origin | CHINA |
| Use | Ore Mining,Coal Mining,quarry | Packaging Details | wooden case |
| Color | Black,Black or as per your demands | Material | Carbon Steel,Carbide |
| Shank | Hex22x108mm | Model Number | 7 Degree Tapered Drill Rod H22 Hexagon |
| Supply Ability | 5000 pieces per month | Certification | ISO 9001 |
| Name | H22 tapered drill rod | Brand Name | MTH |
| Payment Terms | Western Union,MoneyGram,T/T | Price | $3-$300 |
| Delivery Time | 10-15 days | Minimum Order Quantity | 100 pcs |
| Application | Marble Quarry,diamond drilling,connected with rock drill and rock bit |
| Drill Rod | Length(mm) with shank | Foot | Weight approx(kg) | Taper | Shank |
|---|---|---|---|---|---|
| Tapered Drill Rod | 1320mm | 4'' | 4.4 | 7,11,12 degree | 108mm |
| Tapered Drill Rod | 1632mm | 5'' | 5.4 | 7,11,12 degree | 108mm |
| Tapered Drill Rod | 1936mm | 6'' | 6.4 | 7,11,12 degree | 108mm |
| Tapered Drill Rod | 2546mm | 8'' | 8.4 | 7,11,12 degree | 108mm |
| Grades | Types | Recommended conditions |
|---|---|---|
| Superior | G III, T III |
1) Rock drills impact energy: ≥76J 2) Drilling depth: ≥ 2.5 m 3) Rock formations: very hard to soft rock (Protodyakonov Hardness Scale: f ≥ 15) 4) Replacements: G rod, G I rod, ROK |
| Normal | G I, ROK |
1) Rock drills impact energy: < 76 J 2) Drilling depth: ≤2.5 m 3) Rock formations: Medium hard to soft rock (Protodyakonov Hardness Scale: f <15) 4) Replacements: G rod |
| Economy | G |
1) Rock drills impact energy: < 76 J 2) Drilling depth: ≤2.5 m 3) Rock formations: Medium hard to soft rock (Protodyakonov Hardness Scale: f <10) |
