PRODUCT DETAILS
Impregnated and surface-set diamond core bits for wireline coring — full A–Z series with multiple matrix formulas for every rock formation.
Overview
Our impregnated diamond core bits suit hard to extremely hard, and medium-hard to medium-soft rock formations. Advanced sintering technology keeps the bit delivering high footage and long service life even in extremely hard rock. A wide range of matrix formulas adapts to different formations, at competitive prices. We supply the full A–Z series of impregnated diamond bits and surface-set diamond bits, and can make non-standard bits to order.
Key Specifications
Available Series
- Q series: AQ, BQ, NQ, HQ, PQ / AQTK, BQTK, BQ3, NQ2, NQ3, NQTT, HQ3, HQTT, PQ3, PQTT, SQ
- T2 series: T2-46, T2-56, T2-66, T2-76, T2-86, T2-101
- T6 series: T6-76, T6-86, T6-101, T6-116, T6-131, T6-146
- B series: B36, B46, B56, B66, B76, B86, B101, B116, B131, B146
- Others: TW, WG, WM, MLC, LTK — non-standard sizes made to order
Matrix Selection Guide
| Bit Matrix | Rock Hardness | Grain Size | Rock Fracture | Rig Power |
|---|---|---|---|---|
| K1–K11 | Soft rock: K3 / Medium-hard rock: K5, K7 / Hard rock: K9 | Coarse / Medium / Fine | Severe / Normal / Intact | High / Medium / Low |
Bit Dimensions
| Size | OD × ID (mm) | Crown Height | Matrix |
|---|---|---|---|
| AQ | 47.6 × 27.0 | 9mm | K9 |
| BQ | 59.5 × 36.3 | 9mm / 12mm | K7 / K9 |
| BQ2 / BQTK | 59.5 × 40.7 | 9mm / 12mm | K7 / K9 |
| NQ | 75.3 × 47.6 | 9mm / 12mm | K3 / K5 / K7 / K9 |
| NQ2 | 75.3 × 50.8 | 9mm / 12mm | K7 / K9 |
| HQ | 95.6 × 63.5 | 9mm / 12mm | K3 / K5 / K7 / K9 |
| PQ | 122.0 × 85.0 | 9mm / 12mm | K3 / K5 / K7 / K9 |
| SQ | 147.6 × 102.0 | 9mm | K7 |
Gallery




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