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6
YRS
Hebei Yichuan Drilling Equipment Manufacturing Co., Ltd.
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Products
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Single Roller Cone
Construction Machine Parts
TCI Tricone Bit
17 1/2
3 7/8inch 98mm
4 1/2inch 114mm
4 5/8inch 118mm
4 3/4inch 120.3mm
6inch 152mm
6 1/2inch 165mm
7 1/2inch 190mm
7 7/8inch 200mm
8 1/4inch 209.6mm
8 1/2inch 215.9mm
8 3/4inch 222.2mm
9 1/2inch 241.3mm
9 7/8inch 250.8mm
11 5/8inch 295.3mm
Steel Tooth BIT
Tricone bit cutter
HDD Hole Opener
PDC bit
PDC drag bit
Drag bit
Drilling Accessories
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