A-Gauge Core Bits

Specifications
Bit Size Outside Set Diameter Inside Set Diameter
inch mm inch mm
aWL 1.880 / 1.870   47.75 / 47.50 1.067 / 1.057   27.10 / 26.85
aWL-RSG 1.895 / 1.885   48.13 / 47.88 1.067 / 1.057   27.10 / 26.85
atw 1.880 / 1.870    47.75 / 47.50 1.190 / 1.180   30.22 / 29.97
agm 1.880 / 1.870    47.75 / 47.50 1.198 / 1.188    30.43 / 30.18
aWLtk 1.880 / 1.870    47.75 / 47.50 1.206 / 1.196    30.63 / 30.38
aWT (AXT) 1.880 / 1.870    47.75 / 47.50 1.286 / 1.276    32.66 / 32.41
aTK-34 (AW34) 1.880 / 1.870    47.75 / 47.50 1.325 / 1.315    33.65 / 33.40
IAw, IAws 1.880 / 1.870    47.75 / 47.50 1.394 / 1.384    35.40 / 35.15
lTK48, JTK48 1.880 / 1.870    47.75 / 47.50 1.394 / 1.384    35.40 / 35.15
Hardness Table
hardness
Waterways
standerd
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standerd

Standard Waterway Flushing

For a broad range of formations
A solid general purpose design

6

Face-Flushing Waterway

For broken/granular formations
Minimizes flishing of the core sample

5

Turbo Waterway

For competent formations
Offers high productivity

4
1

Extended Waterway Flushing

For competent and semi-broken rock
Functions well in mixed formation

Wedge Type (pie-shaped)

For competent and semi-broken rock
Functions well in mixed formations

2

3-Vee Design

For hard and competent formations
A free cutting bit for high productivity

3

Turbo Waterway

For competent formations
Offers high productivity

4

Face-Flushing Waterway

For broken/granular formations
Minimizes flishing of the core sample

5

Standard Waterway Flushing

For a broad range of formations
A solid general purpose design

6

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