Special and nonstandard rods, casings, and couplings are manufactured by Acker Drill Company on request. In addition, Acker offers a complete range of metric rods and casings.
"W" Design Flush Joint Casings |
Size |
O.D. |
I.D. |
Threads Per
Inch |
Weight |
inches |
mm. |
inches |
mm. |
lbs./ft. |
kg./m. |
AW |
2-1/4 |
57.1 |
1-29/32 |
48.4 |
4 |
3.9 |
5.8 |
BW |
2-7/8 |
73.0 |
2-3/8 |
60.3 |
4 |
7.0 |
10.4 |
NW |
3-1/2 |
88.9 |
3 |
76.2 |
4 |
8.4 |
12.5 |
HW |
4-1/2 |
114.3 |
4 |
101.6 |
4 |
11.7 |
17.4 |
PW |
5-1/2 |
139.7 |
5 |
127 |
3 |
16.0 |
23.8 |
SW |
6-5/8 |
168.2 |
6 |
152.8 |
3 |
20.0 |
29.8 |
|