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Nq3 Impregnated Diamond Core Bit High Wear Resistance For Hard Rock
Core drill bits are an essential tool for drilling holes in hard materials. They come in a variety of types and sizes and have several benefits over other drilling methods. By following proper safety precautions and maintenance techniques, core drill bits can provide efficient and precise drilling for a variety of applications.
| SIZE | CORE Ø | HOLE Ø |
|---|---|---|
| AQTK™ | 35.5 mm (1-3/8 in) | 48 mm (1-7/8 in) |
| BQ™ | 36.4 mm (1-7/16 in) | 60 mm (2-3/8 in) |
| BQTK™ | 40.7 mm (1-5/8 in) | 60 mm (2-3/8 in) |
| NQ™ | 47.6 mm (1-7/8 in) | 75.7 mm (3 in) |
| NQTK (NQ2") | 50.6 mm (2 in) | 75.7 mm (3 in) |
| NQ3™ | 45 mm (1-3/8 in) | 75.7 mm (3 in) |
| HQ™ | 63.5 mm (2-1/2 in) | 96 mm (3-3/8 in) |
| HQ3™ | 61.1 mm (2-3/8 in) | 96 mm (3-3/8 in) |
| PQ™ | 85 mm (3-3/8 in) | 122.6 mm (4-7/8 in) |
| PQ3™ | 83 mm (3-1/4 in) | 122.6 mm (4-7/8 in) |
| SYSTEM | CORE Ø | HOLE Ø | ||
|---|---|---|---|---|
| mm | in | mm | in | |
| A | 48,0 | 1.89 | 27,0 | 1.06 |
| B | 59,9 | 2.36 | 36,4 | 1.43 |
| N | 75,7 | 2.98 | 47,6 | 1.88 |
| H | 96,1 | 3.78 | 63,5 | 2.50 |
| P | 122,6 | 4.83 | 85,0 | 3.35 |