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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) |
Sandvik Core Barrel System Sizes
| SYSTEM | CORE Ø | HOLE Ø | ||
|---|---|---|---|---|
| mm | in | mm | in | |
| A |
48,0
|
1.89
|
27,0
|
1.06
|
|
59,9
|
2.36
|
36,4
|
1.43
|
|
|
75,7
|
2.98
|
47,6
|
1.88
|
|
|
96,1
|
3.78
|
63,5
|
2.50
|
|
| P |
122,6
|
4.83
|
85,0
|
3.35
|
