| Model: | - |
|---|---|
| Brand: | VILONG |
| Origin: | Made In China |
| Category: | Industrial Supplies / Mining Machine |
| Label: | drag bits , stepped drag bits , chevron drag bits |
| Price: |
US $30
/ pc
|
| Min. Order: | 5 pc |
| Last Online:10 Jul, 2018 |
a series of blades which is All tungsten carbide tips are welded to the bit wing by a special process to ensure a strong bond that will not shear or break when drilling through hard formations, three or four wings drag bits are available with either stepped or chevron profiles.
Application: water well, Geothermal, Environmental, mining, exploration
|
Bit Diameter |
|||||
|
(Inches) |
(mm) |
(Inches) |
(mm) |
(Inches) |
(mm) |
|
3 1/2" |
88.9 mm |
6 1/8" |
155.6mm |
8 7/8" |
225.4mm |
|
3 5/8" |
92.1 mm |
6 1/4" |
158.8mm |
9" |
228.6mm |
|
3 3/4" |
95.3 mm |
6 1/2" |
165.1mm |
9 1/8" |
231.8mm |
|
3 7/8" |
98.4 mm |
6 5/8" |
168.3mm |
9 1/4" |
235.0mm |
|
4" |
101.6 mm |
6 3/4" |
171.5mm |
9 1/2" |
241.3mm |
|
4 1/8" |
104.8 mm |
6 7/8" |
174.6mm |
9 5/8" |
244.5mm |
|
4 1/4" |
108.0 mm |
7" |
177.8mm |
9 3/4" |
247.7mm |
|
4 1/2" |
114.3 mm |
7 1/8" |
181.0mm |
9 7/8" |
250.8mm |
|
4 5/8" |
117.5 mm |
7 1/4" |
184.2mm |
10" |
254.0mm |
|
4 3/4" |
120.7mm |
7 3/8" |
187.3mm |
10 5/8" |
269.9mm |
|
4 7/8" |
123.8mm |
7 1/2" |
190.5mm |
11 1/2" |
292.1mm |
|
5" |
127.0mm |
7 5/8" |
193.7mm |
12" |
304.8mm |
|
5 1/8" |
130.2mm |
7 3/4" |
196.9mm |
12 1/4" |
311.2mm |
|
5 1/4" |
133.4mm |
7 7/8" |
200.0mm |
12 1/2" |
317.5mm |
|
5 3/8" |
136.5mm |
8" |
203.2mm |
13 3/4" |
349.3mm |
|
5 1/2" |
139.7mm |
8 1/8" |
206.4mm |
14" |
355.6mm |
|
5 5/8" |
142.9mm |
8 1/4" |
209.6mm |
14 3/4" |
374.7mm |
|
5 3/4" |
146.1mm |
8 1/2" |
215.9mm |
15" |
381.0mm |
|
5 7/8" |
149.2mm |
8 5/8" |
219.1mm |
15 3/4" |
400.1mm |
|
6" |
152.4mm |
8 3/4" |
222.3mm |
17 1/2" |
444.5mm |
|
Connection thread |
2 3/8", 2 7/8", 3 1/2", 4 1/2", 6 5/8" API Pin |
||||
|
Bits profiles |
Stepped and chevron |
||||
|
Numbers of wings |
Three wings and four wings |
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