Products

API-7-1 Standard Inserted Tooth Tricone Bit/Milled Tooth Tricone Bit for Well Drilling

China API-7-1 Standard Inserted Tooth Tricone Bit/Milled Tooth Tricone Bit for Well Drilling, Find details about China Tricone Rock Bit, Tricone Bit for Well Drilling from API-7-1 Standard Inserted Tooth Tricone Bit/Milled Tooth Tricone Bit for Well Drilling

Model NO.
ROS 3 7/8~36"
Rotary Drill Bits
Tricone Rotary Drill Bits
Item Name
Tricone Roller Cone Drill Bits
Series No
Tricone Drill Bits
Item No
Tricone Bit
Item
Tricone Rock Bits
Series
Tricone Drill Bit
Model Name
Hughes Tricone Bits
Trademark
ROSCHEN
Transport Package
Wooden Box
Specification
3 7/8~36"
Origin
China
HS Code
843143210
Model NO.
ROS 3 7/8~36"
Rotary Drill Bits
Tricone Rotary Drill Bits
Item Name
Tricone Roller Cone Drill Bits
Series No
Tricone Drill Bits
Item No
Tricone Bit
Item
Tricone Rock Bits
Series
Tricone Drill Bit
Model Name
Hughes Tricone Bits
Trademark
ROSCHEN
Transport Package
Wooden Box
Specification
3 7/8~36"
Origin
China
HS Code
843143210
API Spec.7,Cone Bit for oil well, cone inserts tricone rock bit 

There are rich and diverse roller bits to meet different requirements of formations and rotary speeds. The sizes of the gage diameter and the types of bit are strictly designed in accordance with the standards API Spec.7, with the certificate of authority to use the official API monogram.

There are not only rubber sealed bearing bits but also metal face sealed bearing bits, and all bits are lubricated by new type of wear resistant grease that can sustain high temperature up to 250°C.

The surfaces of main or key parts are hard faced and treated with friction reducing technology. They can enhance gage protection and prolong the life of bit.

Center nozzle is equipped for bits of larger sizes..


Specifications: 
SizeIADC CodeAPI Regular Pin (in)
      in       mm
    3 7/8 126 617 
    4 1/4       107.9131 3212 3/8
    4 5/8       117.5121 241 5272 7/8
    4 3/4       120.6241
    5 5/8      142.9121 241 321 5373 1/2
    5 7/8      149.2241 321 517 537 547 617 637
     6      152.4211 216 246 437 517 527 537 547 617 637
    6 1/8      155.6117 211 437 517
    6 1/4      158.7121 241 321 517 527 537 547 637
    6 1/2      165.1517
    6 3/4      171.4121 241 321
     7 1/2      190.5121 124 134 217 244 517 527 547 6174 1/2
     7 7/8      200121 124 131 134 241 321 517 527 547 617
     8 3/8      212.7215 217 517 527 537 547 617 637
     8 1/2      215.9114 116 117 121 124 126 127 131 134 137 211 216 217 241 247 321 437 447 517 527 537 547 617 637 837
     8 3/4      222.2127 417 437 447 517 537 617
     9 1/2      241.3117 124 125 127 437 517 527 537 617 6376 5/8
     9 5/8      244.5114 121 124 131 134 437 517 527
     9 7/8      250.8115 121 211 241 321 512 542 612 732
      10      254126
    10 5/8      269.9127 217 417 517 527
    11 5/8      295.3117 127 137 217 417 517 537 547
       12     304.8124 126 216 517 537 547 617
     12 1/8     308547
     12 1/4     311.1114 115 116 117 121 124 126 131 134 137 211 214 244 437 517 527 537 547 617 637
     13 5/8     346.1114 115 121 124 437 515 517
     13 3/4     349.2114 115 437 517
     14 3/4     374.6136 127 517 5277 5/8
15     381121 124 241 244
     15 1/2     393.7125 215 217 517 537
        16     406.4115 215 515 535 545
     17 1/2     444.5435 515 437 517 527 537 547
        18     457.2547
     18 1/2     469.9547
     19 1/4     489115 225
        20     508125 215 515 525
        22     558.8124
        24    609.6124
        26    660.4114 124 134 525
36    914.4124

SizeIADC CodeAPI Regular 
Pin (in)
 inmm
3 7/898.425126 617 
4 1/4107.9131 3212 3/8
4 5/8117.5121 241 5272 7/8
4 3/4120.6241
5 5/8142.9121 241 321 5373 1/2
5 7/8149.2241 321 517 537 547 617 637
6152.4211 216 246 437 517 527 537 547 617 637
6 1/8155.6117 211 437 517
6 1/4158.7121 241 321 517 527 537 547 637
6 1/2165.1517
6 3/4171.4121 241 321
7 1/2190.5121 124 134 217 244 517 527 547 6174 1/2
7 7/8200121 124 131 134 241 321 517 527 547 617
8 3/8212.7215 217 517 527 537 547 617 637
8 1/2215.9114 116 117 121 124 126 127 131 134 137 
211 216 217 241 247 321 437 447 517 527 537 547 617 637 837
8 3/4222.2127 417 437 447 517 537 617
9 1/2241.3117 124 125 127 437 517 527 537 617 6376 5/8
9 5/8244.5114 121 124 131 134 437 517 527
9 7/8250.8115 121 211 241 321 512 542 612 732
10254126
10 5/8269.9127 217 417 517 527
11 5/8295.3117 127 137 217 417 517 537 547
12304.8124 126 216 517 537 547 617
12 1/8308547
12 1/4311.1114 115 116 117 121 124 126 131 134 137 
211 214 244 437 517 527 537 547 617 637
13 5/8346.1114 115 121 124 437 515 517
13 3/4349.2114 115 437 517
14 3/4374.6136 127 517 5277 5/8
15381121 124 241 244
15 1/2393.7125 215 217 517 537
16406.4115 215 515 535 545
17 1/2444.5435 515 437 517 527 537 547
18457.2547
18 1/2469.9547
19 1/4489115 225
20508125 215 515 525
22558.8124
24609.6124
26660.4114 124 134 525
36914.4124



FAQ


Q: Are you a manufacturer or trading company?
A: We are a specialized manufacturer.

Q: How about the delivery terms?
1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.
2. Min. order quantity: 1 piece.
3. Transportation: By DHL/TNT/Fedex express, air, sea, train.

Q: How about discount?
A: Price is based on products and order quantity.

Q: Do you accept sample order?
A: Yes sure, please contact us for details.

Q: How about your after-sales service?
A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.

Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, Roschen always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004. 

API-7-1 Standard Inserted Tooth Tricone Bit/Milled Tooth Tricone Bit for Well Drilling
API-7-1 Standard Inserted Tooth Tricone Bit/Milled Tooth Tricone Bit for Well Drilling



For more information please contact: 




 
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
 
Website: http://roschen.en.made-in-china.com 

 ; http://roschen.en.made-in-china.com 
http://roschen.en.made-in-china.com 

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