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Coring In-Hole Tools

CORE BARRELS & CORE DRILLING BITS


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

Dimensions
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
Hole
Core
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

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