Raiseboring Standard Strength Drill Rod
- HHF
- Henan, China
- 45 days
- 250 units per month
The Raiseboring Standard Strength Drill Rod is mainly used for Raise Boring.
HHF's production capacity for the Raiseboring Standard Strength Drill Rod is 250 units per month. Usually HHF offer more than 2500 units of the Raiseboring Standard Strength Drill Rod per year.
HHF can not only offer standard mining long life drill rods but also offer customized mining drill tools.
Specification of Raiseboring Standard Strength Drill Rod
| material | Drill rod specifications | OD | ID | ID | Length | DI22 thread | ||||
| Material | Size | in | mm | in | mm | in | mm | in | mm | in |
| 4330V MOD | 8" | 8 | 204 | 3 3/4 | 95.25 | 6 | 152.40 | 53 1/2 | 1359 | 6 3/4 |
| 4330V MOD | 10" | 10 | 254 | 4 | 101.60 | 6 3/4 | 171.45 | 65 7/8 | 1674 | 8 1/4 |
| 4330V MOD | 10 1/8" | 10 1/8 | 258 | 4 | 101.60 | 6 3/4 | 171.45 | 65 7/8 | 1674 | 8 1/4 |
| 4330V MOD | 10 1/4" | 10 1/4 | 261 | 4 | 101.60 | 6 3/4 | 171.45 | 65 7/8 | 1674 | 8 1/4 |
| 4330V MOD | 11 1/4" | 11 1/4 | 286 | 4 3/4 | 120.70 | 7 11/16 | 195.30 | 66 3/8 | 1686 | 9 1/4 |
| 4330V MOD | 11 1/2" | 11 1/2 | 293 | 4 3/4 | 120.70 | 7 11/16 | 195.30 | 66 3/8 | 1686 | 9 1/4 |
| 4330V MOD | 12 7/8" | 12 7/8 | 324 | 5 7/16 | 138.10 | 9 | 228.60 | 68 | 1728 | 10 1/2 |
| 4330V MOD | 14" | 14 | 356 | 4 5/16 | 110.00 | 9 | 228.60 | 69 | 1753 | 11 |
Package of Raiseboring Standard Strength Drill Rod
4145H MOD Mechanical properties of Raiseboring Standard Strength Drill Rod：
Tensile Strength | ≥ 965Mpa / 14000Psi |
Yield Strength | ≥ 758Mpa / 110000Psi |
Elongation | ≥ 13% |
Charpy V Impact | ≥ 54J |
Reduction of Area | ≥ 45% |
| Hardness | 285-341HB |
Quantity Control：
HHF has a national II stanard Laboratory for the physical and chemical inspection including tensile test, minus 80 degrees celsius temperature impact, chemical composition analysis, metallographic analysis, non-matallic inclusion analysis, gas content analysis, grain size analysis and magnetic induction intensity, non-magnetic induction gradient and intergranular corrosion test.
