Type
|
Pipe O.D(in)
|
No. of Chain Links
|
Type
|
Size Range(in)
|
Total Number of Links
|
MP-S
|
2-7/8 ~ 4-1/8
|
7
|
WA-C
|
3-3/4 ~ 4-5/8
|
7
|
4 ~ 5
|
8
|
4-1/2 ~ 5-5/8
|
8
|
||
MP-R
|
4-1/2 ~ 5 5/8
|
7
|
5-1/2 ~ 6-5/8
|
9
|
|
5-1/2 ~ 7
|
8
|
6-1/2 ~ 7-5/8
|
10
|
||
6-3/4 ~ 8-1/4
|
9
|
7-1/2 ~ 8-5/8
|
11
|
||
8 ~ 9-1/4
|
10
|
8-1/2 ~ 9-5/8
|
12
|
||
9-1/4 ~ 10-1/2
|
11
|
9-1/2 ~ 10-5/8
|
13
|
Products Description DESCRIPTION A drill bit is a device attached to the end of the drill string that breaks apart, cuts or crushes the rock formations when drilling a wellbore, such as those drilled to extract water, gas, or oil. The drill bit is hollow and has jets to allow ...
We supplyslick drill collars,spiral drill collarsandnon-magnetic drill collars; their sizes are from 3-1/8 to 11 inches. Besides the drill collars in the table below, we can supply other drill collars at customers\' request. Materials: Trepanning and Heat Treatment: ...
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