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[Province: Hebei ]   
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API China Best sell Mining rock bit (IADC 437)
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API China Best sell Mining rock bit (IADC 437)

Price: 525.0~8950.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C,
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  • Product Details
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Basic Info.
  • Brand Name: Tengda bit 
  • color: as customer request 
  • work time: 130-180 hours 
  • formation: very soft with low compressive strength 
  • Normal WOB KN/mm (bit dia.): 0.35-0.95 
  • Rotary Speed(rpm): 140-60 
  • size: as customer request or as the size below 
  • certificate: API & SGS 
  • structural features: sliding bearing 
  • Seal structure: rubber seal 
  • special structure: deputy tooth 
  • Model No.: THAS437 
  • Place of Origin: Hebei  
  • Min.Order: 1 Piece/Pieces
  • Means of Transport: Ocean, Air
Supply Capacity
  • Production Capacity: 215 piece /month
  • Packing:wooden or steel boxes
  • Delivery Date: within 30 days after deposit
API China Best sell Mining rock bit (IADC 437)
Bit typeIADC CodeApplicable formationCutting 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
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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Mr. jesonding
Tel: 86-317-3229226
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Contact Method
Hejianshi Tengda Petroleum Supplies Co.,Ltd
junziguan xicun town hejiancity, Cangzhou, Hebei, China (Mainland)
Fax: 86-317-3226086
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