PDC anchor-shank drill bit: Cutter is made of PDC, different shapes and combination styles applied for soft to hard rock formations. Purpose: They are widely used in foundation drilling, rotary drilling, trenching, tunneling, mining, etc. Dimension: 25, 27, 28, 29, 30, 32, 36, 42 mm. Normal Thread Model: M16*2; M14*1. 5, M12*1. 75; M14*1. 5; M12*1. 75 Note: The bits are cooled and cleaned by water matching with hydraulic rotary drilling machine.
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Colliery Drilling Tools
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Main Standard(mm)
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D
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H
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L
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M
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Thread joint
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27
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44
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17
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M14×1. 5
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27
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54
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17
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M12×1. 75
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28
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54
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20
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M12×1. 75
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29
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52
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18
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M14×1. 5
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30
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50
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18
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M14×1. 5
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32
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52
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22
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M14×1. 5
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32
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56
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22
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M12×1. 75
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