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Specifications:
Universal drill rod and coupling
| Type | Standard | Size:Outside diameter* thickness(mm) | Length(m) | Standard Coupling(A)(mm) | Superior Coupling(B)(mm) |
| Outside thread | 42 | 42*4.5 | 3m / 4.5 m | 57 | 57 |
| 50 | 50*6.5 | 3m / 4.5 m | 65 | 65 | |
| 60 | 60.3*7.1 | 3m / 4.5 m | 78 | 78 | |
| Inside thread | 43 | 43*6 | 3m / 4.5 m | 44 | 44 |
| 50 | 50*6.5 | 3m / 4.5 m | 52 | 52 | |
| 54 | 54*6 | 3m / 4.5 m | 56 | 56 | |
| 67 | 67*6 | 3m / 4.5 m | 70 | 70 |
Diamond bit and reamers
| Specification Parameters | ||||||
| SIZE | Bit O.D. Hole Diameter | Bit O.D. Core Diameter | Reaming Shell O.D. | |||
| INCHES | MM | INCHES | MM | INCHES | MM | |
| AQ | 1.870/1.880 | 47.50/47.75 | 1.057/1.067 | 26.85/27.10 | 1.885/1.895 | 47.88/48.13 |
| BQ | 2.340/2.350 | 59.44/59.69 | 1.428/1.438 | 36.27/36.53 | 2.355/2.365 | 59.82/60.07 |
| BQ3 | 2.340/2.350 | 59.44/59.69 | 1.315/1.325 | 33.40/33.65 | 2.355/2.365 | 59.82/60.07 |
| NQ | 2.960/2.970 | 75.18/75.44 | 1.870/1.880 | 47.50/47.75 | 2.975/2.985 | 75.57/75.82 |
| NQ2 | 2.960/2.970 | 75.18/75.44 | 1.990/2.000 | 50.65/50.80 | 2.975/2.985 | 75.57/75.82 |
We supply A-Gauge impregnated core bit:AQ, AW, AGM;
B-Gauge impregnated diamond core bit: BQ, BQ3, BTW, BX, LTK60;
N-gauge impregnated core bit:NQ, NQ2, NQ3, NMLC, TNW;
H-gauge impregnated core bit:HQ, HQ3, HMLC, HTW, HWF;
P-gauge impregnated core drilling bit:PQ, PQ3;
TT46 T2-46, TT56, T2-56, T2-66, T2-76, T2-86, T2-101;
T6-76 impregnated diamond core bit, T6-86, T6-101, T6-116, T6-131, T6-146, etc.
