|
Core Barrels
|
|
British Standard (BS4019) Core
Barrels |
| |
AWM
BWM
NWM
HWM |
AWT
BWT
NWT
HWT |
BWF
NWF
HWF
|
BWG
NWG
HWG
|
|
| Dimensions |
| |
| Description |
EWM |
AWM |
BWM |
NWM |
| |
in |
mm |
in |
mm |
in |
mm |
in |
mm |
| Reaming
shell O.D |
1.485 |
37.7 |
1.890 |
48.0 |
2.360 |
59.9 |
2.980 |
75.7 |
| Set bit
O.D |
1.470 |
37.3 |
1.875 |
47.6 |
2.345 |
59.6 |
2.965 |
73.3 |
| Core
diameter |
0.812 |
21.5 |
1.187 |
30.1 |
1.625 |
42.0 |
2.125 |
54.7 |
| Length |
|
|
5ft |
10ft |
5ft |
10ft |
5ft |
10ft |
|
|
|
|
| Dimensions |
| |
| Description |
EWG |
AWG |
BWG |
NWG |
| |
in |
mm |
in |
mm |
in |
mm |
in |
mm |
| Reaming
shell O.D |
1.485 |
37.7 |
1.890 |
48.0 |
2.360 |
59.9 |
2.360 |
59.9 |
| Set
bit O.D |
1.470 |
37.3 |
1.875 |
47.6 |
2.345 |
59.6 |
2.345 |
59.6 |
| Core
diameter |
0.812 |
21.5 |
1.187 |
30.1 |
1.625 |
42.0 |
1.625 |
42.0 |
| Length |
5ft |
10ft |
5ft |
10ft |
5ft |
10ft |
5ft |
10ft |
|
|
|
|
