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Can produce according to DCDMA, BS4019 and Metric standard to produce Q series and W series wire line rod, casing and assembly.

 

    
  Casing Shoe and Bit

Craelius metric standard

 Hole size
     mm

Number of waterways Diamy    Diaborit

     Coring bit type  I. D. mm=core  
     TT           T2            B           K3		 Reaming shells
       O. D.    mm

    Casing shoe bits
  O. D. mm    I. D. mm
36

 2               4

       ---           22           22           --- 36.3

     ---                  ---
46 3               6     35.6         32           32           ---  46.3 46               36.5
56 4                8     45.5         42           42           --- 56.3 56                46.5
66 5              10      ---            52           52          38 66.3 66                56.5
76 6              12      ---            62           62          48 76.3 76                66.5
86 7              12      ---            72           72          58 86.3 86                76.5
101 8              14      ---            84           87          72 101.3 101              86.5
116 9              10      ---            ---          102          86 116.3 116            101.5
131 10             10      ---            ---          117         101 131.3 131           116.5
146 11             10      ---            ---          132         116 146.3 146           131.5

Casing shoe bits, casing bits and casing reamers same for DCDMA and CDDA

Hole Size

 Casing shoe bits Casing reamers Casing bits

         O. D.                                I. D.
    in.             mm               in.              mm


in.           mm

         O. D.                          I. D.
    in.           mm             in.          mm
XRT   1.48           37.7            1.19           30.2      ---             ---   1.48         37.7          1.00      25.4
EX   1.87           47.6            1.50           38.0    1.89          48.0   1.87         47.6          1.40      35.6
AX   2.34           59.5            1.90           48.3    2.36          59.9   2.34         59.5          1.78      45.2
BX   2.96           75.3            2.37           60.2    2.98          75.6   2.96         75.3          2.21      56.2
NX   3.61           91.8            2.99           76.0    3.63          92.2   3.61          91.8         2.84      72.1
HX   4.62          117.4           3.92           99.7      ---             ---   4.62         117.4        3.77      95.9

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