- Product Details
- {{item.text}}
Quick Details
-
Size:
-
Standrad Size
-
Package:
-
Wooden Box Package
-
Thread type:
-
4 1/2" API REG
Quick Details
-
Weight (KG):
-
45
-
Place of Origin:
-
Hebei, China
-
Brand Name:
-
YOUHUA
-
Size:
-
Standrad Size
-
Package:
-
Wooden Box Package
-
Thread type:
-
4 1/2" API REG
Product Description
Our factory advantage:
- Bearing polishing process after finish turning, improve bearing performance
- Dynamic lubrication system
- Professional & stable heat treatment, High quality control
- Welding process, more wear-resistant
- Produce strictly in accordance with API standards
- Special materials of Tricone-bits
- Fast delivery & Best factory price
We adhere to the principle of
"
Win the customer by attractive quality and price
"
and
"Create value for customers by professional technology and experienced service"
.
Specification
|
ITEM
|
VALUE
|
|
Condition
|
New
|
|
Warranty
|
1 years
|
|
Applicable Industries
|
Construction works , Energy & Mining
|
|
Metric diameter
|
222.3mm
|
|
Gross Weight
|
45KG
|
|
IADC code
|
4-3-7
|
|
Thread /API regular Pin
|
4 1/2" API REG
|
|
Bearing Type
|
Rubber Sealed Journal Bearing
|
|
Place of Origin
|
Hebei, China
|
|
Brand Name
|
YOUHUA
|
|
Type
|
DRILL BIT
|
|
Machine Type
|
Drilling Tool
|
|
Material
|
High Carbon steel
|
|
Processing Type
|
Forging
|
|
Use
|
Well Drilling
|
Application
|
IADC Code
|
Applicable Formation
|
Normal WOB kN/mm
|
Rotary speed (RPM) r/min
|
|
637
|
Hard formation with high compressive strength such as
sandstone
,
limestone
,
dolomite
and
anhydrite
,
marble
|
0.5~1.2
|
80~40
|
|
537
|
Soft to medium formation with low compressive strength, such as
mid-soft shale
,
mid-soft limestone
,
mid soft sandstone
and
medium formation with harder abrasiveness interbeds
|
0.45~1.0
|
120-50
|
|
517
|
Soft formation with low compressive strength such as
mudstone
,
gypsum
,
salinastone
,
soft shale
and
soft limestone
|
0.35~1.0
|
140-60
|
|
417、437
|
Extremely soft formation with low compressive strength and high drill ability, such as
clay
,
mudstone
,
cretaceous
,
gypsum
,
salinastone
,
soft shale
and
soft limestone
|
0.35-0.9
|
150-70
|
Packing & Delivery
To better ensure the
safety
of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
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