Diamond Core Dill Bits
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Specifications
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Unit: mm
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Outer Diameter
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Length A
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Length B
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Segment Dimensions
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Number of segment
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||
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Inch
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Metric
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Thickness
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Height
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1 1/8″
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27
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375
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450
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3.7
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8.5
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3
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1 1/3″
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32
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375
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450
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3.7
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8.5
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3
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1 2/5″
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36
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375
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450
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3.7
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8.5
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3
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1 3/4″
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44
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375
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450
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3.7
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8.5
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5
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2″
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51
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375
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450
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3.6
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8.5
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5
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2 1/4″
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56
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375
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450
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4
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8.5
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5
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2 1/2″
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63
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375
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450
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4
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8.5
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6
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3″
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76
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375
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450
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4
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8.5
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7
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3 1/4″
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83
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370
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450
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4
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8.5
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8
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3 1/2″
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89
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370
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450
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4
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8.5
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9
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3 3/4″
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96
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350
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420
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4
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8.5
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9
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4″
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102
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350
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420
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4
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8.5
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10
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4 3/4″
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120
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350
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420/500
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4
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8.5
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11
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5″
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127
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350
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420
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4.2
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8.5
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12
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5 1/5″
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132
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350
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420/500
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4.5
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8.5
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13
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6″
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152
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350
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420
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4.5
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8.5
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14
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6 1/3″
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160
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350
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420
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4.5
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8.5
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16
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7″
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180
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350
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420
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4.5
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8.5
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18
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Blue Diamond Series: For general civil, concrete, brick wall punch.
Red Diamond Series: For professional users, bridge engineering, metro engineering, high-grade reinforced concrete drilling.