| After-sales Service: | on Site on Line |
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| Warranty: | 12 Months |
| Certification: | API |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
Fixed Diameter Hole Openers are used for expanding the drilled hole.
The cutters are manufactured under the severe quality control. All our hole openers are field maintainable, with easy assembly and disassembly. They are all equipped with 3 or 4 cutters, as well as mud nozzles precisely located to clean the cutters and the hole simultaneously.
They are used for the following purposes.
When drilling of the big hole is not possible because of the rig capacity.
When a satisfied penetration rate is not obtained in case of the big hole drilling, it is used after drilling with smaller bit.
When the hole direction must be controlled.
When ordering please specify:
Hole size to desire;
Pilot hole size;
Top and bottom connections;
Fishing neck and bottom neck O.D and length;
Type of cutters.
|
Model
|
Hole open diameter
|
Qty of cutters
|
Min.Pilot hole
|
Fishing neck diameter
|
I.D.
|
Top connection(Pin)
|
Bottom connection (Box)
|
Overall Length
|
|
KKQ311
|
12 1/4
|
3
|
8 1/2
|
8
|
1 1/2
|
6 5/8REG
|
6 5/8REG
|
55"
|
|
KKQ406
|
16
|
3
|
10
|
9 1/2
|
2 1/4
|
7 5/8REG
|
6 5/8REG
|
59"
|
|
KKQ559
|
22
|
3
|
12 3/4
|
9 1/2
|
2 1/3
|
7 5/8REG
|
6 5/8REG
|
69"
|
|
KKQ584
|
23
|
3
|
12 3/4
|
8
|
3
|
7 5/8REG
|
6 5/8REG
|
69"
|
|
KKQ610
|
24
|
3
|
14
|
10
|
3
|
7 5/8REG
|
7 5/8REG
|
69"
|
|
KKQ660
|
26
|
3
|
17 1/2
|
10
|
3
|
7 5/8REG
|
7 5/8REG
|
69"
|
|
KKQ4-914
|
36
|
4
|
26
|
10
|
3 1/2
|
7 5/8REG
|
7 5/8REG
|
87"
|
Products Show
Suppliers with verified business licenses
Audited Supplier 
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