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America West Drilling Supply...Where going in the hole makes sense!
R1 - Integrated ring bit and casing shoe
R2 - Solitary ring bit
R3 - Same part for DTH and Top hammer
R4 - Rock socket is drilled by drill-through pilot bit
R5 - Optional for connecting ring bit and casing shoe
Casing Size 3 1/2" Retrievable/DTH
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Pilot Bit |
Ring Bit Set |
Part (see Parts Key) |
|
B |
M |
Designation |
|
R89/8-58-DHD065* |
R89/8-58-ring bit set* |
Remark |
|
- |
R1, R3 |
Large pass-through inner Ø |
|
X |
X |
Weight |
lb. |
11 |
8 |
Casing wall max. thickness |
in. |
0.31 |
0.31 |
Ring bit - Inner Ø
Ring bit - Outer Ø |
in.
in. |
2.28
3.74
|
2.28
3.74
|
Pilot bit - Outer Ø |
in. |
2.65 |
2.65 |
Main Applications
Anchoring
Well drilling
|
|
X
-
|
-
-
|
*Special Order
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