Coring In-Hole Tools
CORE BARRELS, BITS, RODS, CASING AND TOOLS
Drilling Supply Stores offers a variety of high quality coring drilling systems which include core barrels, core diamond drill bits, drill rods, casings and more.
Boart Longyear Core Barrel System Sizes
| 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) |