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Hejianshi Tengda Petroleum Supplies Co.,Ltd
Hejianshi Tengda Petroleum Supplies Co.,Ltd  

Gold Index: 19125

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steel rock bit for oil 

Price: 500.0~8000.0 RMB 
Payment Terms: T/T,L/C 
Place of Origin: Hebei, China (Mainland) 
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Product Detail

Model No.: TH316
Production Capacity: 500pieces per month
Delivery Date: 7 days after deposit
Style: Others
insert rock bit: rock bit
size: 3-3/4''-26''
Means of Transport: Ocean,Land,Air
Packing: in wooden box or iron box
Type: Others
Brand Name: TENGDA
drill roller bit: buttion drill bit
export market: global

1.Homework diameter size:12-1/4inch
2.Connection thread size:4-1/2
3.Cutting teeth specifications:1613
4.Certification:API

Bit
type
IADC
Code
Applicable formation
Main characteristics of the bit
Recommended parameters
Cutting structure
Normal WOB
KN/mm(bit dia.)
Rotary Speed(rpm)
TH126
126
Soft with low compressive strength and high (clay,mudstone,salt,loose sand,soft limestone,etc.)
bigger teeth with teeth space less than TH116,hardfacing on both flanks and outer face.Carbide insert on TH127 heel row and gage for special gage protection.
0.351.00
15070
TH127
127
TH136
136
Soft to medium soft with low compresive strength or soft with harder streaks(shale,mudstone,
soft limestone,sandstone,etc)
Shorter teeth with less teeth space,hardfacing on all teeth faces and gage .Carbide insert on TH137 heel row and gage for gage protection.
0.351.05
12060
TH137
137
TH216
216
Medium hard with higher compressive strength and hard streaks(hard shale,
sandstone,limestone,etc.)
Less teeth and teeth space,gage protection by using T shape teeth on the heel row ,hardfacing on all teeth faces and gage.Inserton TH217 heel row and gage for gage protection.
0.351.20
10050
TH217
217
TH316
316
Hard with high compressive strength and abrasiveness(hard shale,hard sandstone,hard limestone and dolomite,etc.)
Short teeth with less teeth space,heel row densified with"T"shaped teeth,and hardfacing on aall teeth faces and gage.For TH317,carbide inserts are used on gage for improved protection.
0.701.40
8045
TH317
317
TH346
346
Very hard with high compressive strength and abrasiveness,such as quartzite,sandy quartzite,chert,
pyrite and granite,etc.
Short & thick teeth with special ring type crest are utilized,with" "shaped teeth in heel row and hardfacing on all teeth faces and gage.For TH347,carbide inserts are used on gage for improved protection.
1.101.40
7050
TH347
347
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

Mr. jesonding
 Mr. jesonding

Tel: 86-317-3229226
Fax: 86-317-3226086
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Company Info

Hejianshi Tengda Petroleum Supplies Co.,Ltd [China (Mainland)]


Business Type:Manufacturer, Trading Company
City: Cangzhou
Province/State: Hebei
Country/Region: China (Mainland)

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