mining rock bit in china from China manufacturer - Hejianshi Tengda Petroleum Supplies Co.,Ltd

Price:	525.0~8950.0 USD
Payment Terms:	T/T,L/C,
Place of Origin:	Hebei, China (Mainland)


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Product Detail

Model No.: THAS437

Production Capacity: 215 piece /month

Delivery Date: within 30 days after deposi...

color: as customer request

formation: very soft with low compress...

Rotary Speed(rpm): 140-60

certificate: API & SGS

Seal structure: rubber seal

Means of Transport: Ocean,Air,

Packing: wooden or steel boxes

Brand Name: Tengda bit

work time: 130-180 hours

Normal WOB KN/mm (bit dia.): 0.35-0.95

size: as customer request or as t...

structural features: sliding bearing

special structure: deputy tooth

rock bit
1.long service time
2. rubber seal
3. oil drilling/coal drilling and so on
4.best price and high quality

**API China Best sell Mining rock bit (IADC 437)**
Bit type	IADC Code	Applicable formation	Cutting sructure	Normal WOB KN/mm(bit dia.)	Rotary Speed(rpm
THAS437	437	Very soft with low compressive strength and high drillability,such as shale,clay,sandstone and conglomerate,etc.	Large dia offset crested scoop compacts in inner row,wedge compacts in outer row,and with the cutting structure of primary and secondary cutters with double bresking lines on bottom hole.	0.35-0.95	140-60

You can choose the size of rock bits below or we can manufacture bits as your request

NO.
Tricone bit size
Thread sizes

NO.
Tricone bit size
Thread sizes
Inch
mm
inch
mm
1
3-3/4
95.3
2-3/8
28
9-5/8
244.5
6-5/8
2
3-7/8
98.4
2-3/8
29
9-7/8
250.8
6-5/8
3
4-1/8
104.8
2-3/8
30
10-1/2
266.7
6-5/8
4
4-1/4
108.0
2-3/8
31
10-5/8
269.9
6-5/8
5
4-1/2
114.3
2-3/8
32
11
279.4
6-5/8
6
4-5/8
117.5
2-7/8
33
11-5/8
295.3
6-5/8
7
4-3/4
120.7
2-7/8
34
12
304.8
6-5/8
8
4-7/8
123.8
2-7/8
35
12-1/4
311.2
6-5/8
9
5-1/2
139.7
3-1/2
36
12-5/16
312.7
6-5/8
10
5-5/8
142.9
3-1/2
37
12-3/8
314.3
6-5/8
11
5-2/3
143.9
3-1/2
38
12-7/16
315.9
6-5/8
12
5-3/4
146.1
3-1/2
39
12-5/8
320.7
6-5/8
13
5-7/8
149.2
3-1/2
40
13-1/8
333.4
6-5/8
14
6
152.4
3-1/2
41
13-1/2
342.9
6-5/8
15
6-1/8
155.6
3-1/2
42
13-5/8
346.1
6-5/8
16
6-1/4
158.8
3-1/2
43
13-3/4
349.3
6-5/8
17
6-1/2
165.1
3-1/2
44
14-1/2
374.7
7-5/8
18
6-5/8
168.3
3-1/2
45
14-3/4
374.7
7/5/8
19
6-3/4
171.5
3-1/2
46
15-1/2
393.7
7-5/8
20
7-1/2
190.5
4-1/2
47
16
406.4
7-5/8
21
7-5/8
193.7
4-1/2
48
17-1/2
444.5
7-5/8
22
7-7/8
200.0
4-1/2
49
18-7/8
479.4
7-5/8
23
8-3/8
212.7
4-1/2
50
20
508.0
7-5/8
24
8-1/2
215.9
4-1/2
51
22
558.8
7-5/8
25
8-5/8
219.1
4-1/2
52
24
609.6
7-5/8
26
8-3/4
222.3
4-1/2
53
26
660.4
7-5/8
27
9-1/2
241.3
6-5/8

Medium hard formation TCI tricone bits:
The medium hard formation TCI tricone bits features robust chisel tungsten carbide inserts on the heel row and conical on the inner rows. This design provides a fast drilling rate and added cutting structure durability in medium to medium hard formations. The HSN rubber O-ring provides adequate sealing for bearing durability.
API China Best sell Mining rock bit (IADC 437)

API China Best sell Mining rock bit (IADC 437)

our tenet

Quality laid foremost,

Customer regarded supreme,

Developing between us,

Prosperity pursuing together.

If you are interested, we will be happy to send you any further information.Don't hesitate to contact us and welcome to visit our factory. We are looking forward to adding you as our Cooperation partner.

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