Tianjin Grand Construction Machinery Technology Co., Ltd.
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grand@grandbit.cn
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Drilling Bits
Tricone Bits
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Featured Products
13-3/4" IADC 127 TCI Tricone Bit for ...
17 1/2" IADC 115/215 TCI Tricone Bit ...
9 5/8" IADC 527/537 TCI Tricone Bit f...
5 1/4" IADC 637/537 Small-Size Drill ...
8 1/2" IADC 637 TCI Tricone Roller Bi...
6 1/2" IADC 517 Tricone Bit for Rock ...
9 1/2" IADC 437 Tricone Rock Drill Bi...
22'' IADC 617 TCI Tricone Drill Bit f...
11 3/4'' IADC 537 Tricone Bit High-Pe...
6 1/4" IADC 617 High-Performance TCI...
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01
DTH hammer and bit HD35A Air dis...
2024-06-04
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02
HDD Hole Opener For Hard Rock Tr...
2023-12-01
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03
PDC HDD (Horizontal Directional ...
2023-12-02
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04
HDD Single Roller Cones Rubber a...
2023-12-02
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05
Horizontal Directional Drilling ...
2023-12-02
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06
Core Barrel With Bits Customized...
2023-12-02
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07
Rotary Dilling Rig Bit Core Barr...
2023-12-02
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08
Core Barrel Assembly for Diamond...
2023-12-02
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