Drag Bits Tungsten Carbide

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2021年12月03日

TRICONE DRILL BITS DESIGNED TO LOWER DRILLING COSTS

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Drag Bits Tungsten Carbide


Tungsten Carbide Tipped Drag Bits Stepped 


Tungsten Carbide Tipped Drag Bits Chevron 


Roschen group Ltd design and manufacture a wide range of Rotary type Drag Bits of which are used in the same manor and purpose as the Milled Tooth Rock Bits, except that they are limited to softer formations generally. They are in most cases cheaper than a Milled Tooth Rock Bit. The cutting profile maybe Flat, Chevron or Stepped according the application. They may also be used with Water, Mud or Air Flush.


Important:

When ordering Tungsten Carbide Tipped Drag Bits please ensure that the following information is clearly given:-


. Formation to be drilled ( Soft or Medium )

. Flushing medium ( Water, Mud or Air Flush )

. Profile of bit ( Flat, Chevron or Stepped )



Please contact our Technical Sales Department who will advise the formation to be drilled, Flushing medium or Whether Jet Nozzle type required. All our Tungsten Carbide Tipped Drag Bits are designed and manufactured in house by our fully qualified engineers allowing us to provide a custom service and a fast turn around.


They are designed to drill in soft to medium formations and the most common areas of use are sand, clay and some soft rock. Step drag bits can be used for drilling water wells, mining, geothermal, environmental & exploration drilling. Chevron drag bits are mostly used for in a lot of rock or tougher gravel & shale drilling.


Tungsten Carbide Tipped Drag Bits – Size



Bit SizeThreadAprx. Weight
InmmIb.kg.
1 7/835E Rod2.2 1.0 
248E Rod2.2 1.0 
2 1/457A Rod2.2 1.0 
2 1/263A Rod2.4 1.1 
2 3/470A Rod2.4 1.1 
376N Rod2.6 1.2 
3 1/483N Rod2.9 1.3 
3 1/289N Rod3.0 1.4 
3 3/495N Rod3.3 1.5 
3 7/8982 3/8 API.3.9 1.8 
41022 3/8 API.5.3 2.4 
4 1/41082 3/8 API.5.3 2.4 
4 1/21142 3/8 API.5.5 2.5 
4 3/41212 3/8 API.6.0 2.8 
4 7/81242 3/8 API.6.6 3.0 
51272 3/8 API.7.9 3.6 
5 1/81302 3/8 API.9.7 4.4 
5 1/41332 3/8 API.10.0 4.5 
5 1/21402 3/8 API.11.0 5.0 
5 5/81432 3/8 API.12.0 5.5 
5 3/41462 7/8 API.15.0 6.8 
5 7/81482 7/8 API.16.2 7.4 
61523 1/2 API.18.0 8.2 
6 1/41593 1/2 API.22.0 10.0 
6 1/21653 1/2 API.27.0 12.3 
6 3/41723 1/2 API.29.0 13.2 
71793 1/2 API.32.0 14.4 
7 1/41843 1/2 API.36.0 16.4 
82033 1/2 API.43.0 19.5 
8 1/22154 1/2 API.48.0 21.8
8 3/42224 1/2 API.52.0 23.6
92294 1/2 API.55.0 25.0 
9 5/82444 1/2 API.58.3 26.5
9 7/82514 1/2 API.61.0 27.8
10 5/82706 5/8 API.86.0 39.0 
12 1/43116 5/8 API.90.0 41.0 
14 3/43756 5/8 API.113.0 51.4
153816 5/8 API.123.4656.0 
16    406.46 5/8 API.132.3 60.0 
17    431.86 5/8 API.143.3 65.0 
17 1/2444.56 5/8 API.158.7 72.0 
18    457.26 5/8 API.176.4 80.0 
19    482.66 5/8 API.198.4 90
20    5087 5/8 API.225102.0 
22    558.87 5/8 API.254.0 115
24    609.67 5/8 API.276125.0 

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