Diamond Drilling Bits & Shells - Tungsten Carbide Button Bits - Drillwell LtdDRILLWELL LTD design and manufacture a wide range of Tungsten Carbide Insert Button Bits of which are available from stock. They are suitable for soft, medium or hard formations depending on the profile of the TCI. Button. When placing an enquiry for these types of rock bits it is essential to specify the formation to be drilled. In addition all ranges of rock bits maybe supplied for water, mud or air flush and with jet nozzles if required. It is important to provide us the information for the flushing requirements to ensure that the correct bit is supplied.

Important:
All the API. Threads specified are API. Regular. When ordering Tungsten Carbide Button Bits please ensure that the following information is clearly given:-

  • Formation to be drilled ( Soft, Medium or Hard )
  • Flushing medium ( Water, Mud or Air Flush )
  • Whether Jet Nozzle type required

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

Drillwell Ltd - Diamond Drilling Bits & Shells - Tungsten Carbide Button Bits

Tungsten Carbide Button Bits - Information

Bit Size
In.                    mm.

Thread

         Approx. Weight
        Ib.                   kg.

        2 15/16                 75

4tpi-N

         3                     1.4          

        3                           76

4tpi-N

         3                     1.4          

        3 1/8                     79

4tpi-N

         4                     1.8          

        3 1/4                     83

4tpi-N

         4                     1.8          

        3 1/2                     89

4tpi-N

         4                     1.8          

        3 7/8                     98

2 3/8 API.

         6                     2.7          

        4                           102

2 3/8 API.

         7                     3.2          

        4 1/8                     105

2 3/8 API.

         8                     3.6          

        4 1/4                     108

2 3/8 API.

         9                     4.1          

        4 1/2                     114

2 3/8 API.

         10                   4.5          

        4 3/4                     121

2 7/8 API.

         13                   5.9          

        4 7/8                     124

2 7/8 API.

         14                   6.4          

        5                           127

2 7/8 API.

         15                   6.8          

        5 1/8                     130

2 7/8 API.

         16                   7.3          

        5 1/4                     133

2 7/8 API.

         17                   7.7          

        5 1/2                     140

2 7/8 API.

         20                   9.0          

        5 5/8                     143

3 1/2 API.

         22                   10.0          

        5 7/8                     149

3 1/2 API.

         23                   10.5          

        6                           152

3 1/2 API.

         23                   10.5          

        6 1/8                     156

3 1/2 API.

         24                   10.9          

        6 1/4                     159

3 1/2 API.

         26                   11.8          

        6 3/4                     172

3 1/2 API.

         32                   14.5          

        7 3/8                     187

3 1/2 API.

         62                   28.1          

        7 7/8                     200

4 1/2 API.

         78                   35.5          

        9                           229

4 1/2 API.

         98                   44.5          

        9 7/8                     251

6 5/8 API.

         143                 65.0          

        10 5/8                   270

6 1/2 API.

         162                 74.0          

        11                         279

6 1/2 API.

         167                 76.0          

        12 1/4                   311

6 1/2 API.

         215                 98.0  

DRILLWELL LTD

Comprehensive Drill Design and Supply Company

Drillwell Ltd
Unit 1-2, Rotherham Close
Killamarsh, Sheffield, S21 2JU
Tel No: 0114 2487333

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