Customization: | Available |
---|---|
After-sales Service: | 1 Year |
Warranty: | 1 Year |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Model
|
Drill Collar O.D.
|
Weight
|
Insert Bowl number
|
||
in
|
mm
|
kg
|
lb
|
||
DCS-S
|
3 ~ 4
|
76.2 ~ 101.6
|
51
|
112
|
API or No.3
|
4 ~ 4-7/8
|
101.6 ~ 123.8
|
47
|
103
|
||
DCS-R
|
4-1/2 ~ 6
|
114.3 ~ 152.4
|
54
|
120
|
|
5-1/2 ~ 7
|
139.7 ~ 177.8
|
51
|
112
|
||
DCS-L
|
6-3/4 ~ 8-1/4
|
171.4 ~ 209.6
|
70
|
154
|
|
8 ~ 9-1/2
|
203.2 ~ 241.3
|
78
|
173
|
||
8-1/2 ~ 10
|
215.9 ~ 254
|
84
|
185
|
No.2
|
|
9-1/4 ~ 11-1/4
|
235 ~ 285.7
|
90
|
198
|
||
11 ~ 12-3/4
|
279.4 ~ 323.9
|
116
|
256
|
No.1
|
|
12 ~ 14
|
304.8 ~ 355.6
|
107
|
237
|