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what is the hardest drill bit

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Alloy Steel Mining Carbide Button Bits , Hardest Drill Bits High Efficiency
Hunan New Diamond Construction Machinery Co., Ltd.

Alloy Steel Mining Carbide Button Bits , Hardest Drill Bits High Efficiency
Model：mining carbide Top Hammer Drill Bits
MOQ：Negotiable
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Quickly Penetrate Exploration Diamond Core Drill Bits For Hardest Rock Formation
ROSCHEN GROUP

Quickly Penetrate Exploration Diamond Core Drill Bits For Hardest Rock Formation
Model：BQ NQ HQ PQ
MOQ：1-5 pcs
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Diamond core drill bit for hardest rock: HRC 5 geological drilling impregnated
Wuxi Shifeng Geology and Mineral Drilling Tools Co., Ltd.

Diamond core drill bit for hardest rock: HRC 5 geological drilling impregnated
Model：Diamond core drill bit
MOQ：10 Piece/Pieces
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High Corrosion Resistance Glass Drill Bits with Carbide Material Shank/Screw/Straight
Jiangmen Boke Industrial Co., Ltd

High Corrosion Resistance Glass Drill Bits with Carbide Material Shank/Screw/Straight
Model：PBDDB-8
MOQ：10pcs
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PDC Diamond Drill Bit 12 PDC Hard Rock Drill Bits for exploration drilling
Suzhou Energy Tool Co., Ltd.

PDC Diamond Drill Bit 12 " PDC Hard Rock Drill Bits for exploration drilling
Model：1200
MOQ：Negotiation
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Gold API Code Steel Body PDC Drill Bit High Efficiency For Borehole Drilling
Hunan Tianying Drilling Machine Manufacturing Co., Ltd.

Gold API Code Steel Body PDC Drill Bit High Efficiency For Borehole Drilling
Model：PDC
MOQ：1 sets
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Directional Drilling HDD Tools Eagle Claw Pilot Drill Bit
Langfang pangolin construction machinery co. LTD

Directional Drilling HDD Tools Eagle Claw Pilot Drill Bit
Delivery Time：5-15work days
Price：Negotiable
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High Performance PDC Drill Bit For Maximum Drilling Efficiency
Glorytek Industry (Beijing) Co., Ltd.

High Performance PDC Drill Bit For Maximum Drilling Efficiency
Model：PDC drill bit
MOQ：1 piece
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50mm Length Rock Drilling Bit With 2 Flushing Holes Used In Mining And Tunneling
HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD

50mm Length Rock Drilling Bit With 2 Flushing Holes Used In Mining And Tunneling
Model：36mm
MOQ：50
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Mission60 165mm Down The Hole Rock Drilling Bits
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Changsha Sollroc Engineering Equipments Co., Ltd

Mission60 165mm Down The Hole Rock Drilling Bits
Model：165mm
MOQ：1 piece
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108mm Pilot Claw Drill Bit OD 110mm 165mm Directional Horizontal Drilling
Langfang Pangolin Drilling Tools Co., Ltd.

108mm Pilot Claw Drill Bit OD 110mm 165mm Directional Horizontal Drilling
Delivery Time：5-15work days
Price：Negotiable
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Professional Diamond Core Drill Bit Various Diameters Solid Forging
Jiangsu Sinocoredrill Exploration Equipment Co., Ltd

Professional Diamond Core Drill Bit Various Diameters Solid Forging
Model：BQ NQ HQ PQ
MOQ：1
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Precise 68mm Dry Diamond Drill Bit For Granite Stone blue color
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Johnson Tools Manufactory Co.,Ltd

Precise 68mm Dry Diamond Drill Bit For Granite Stone blue color
Model：CB-VB 6-68mm
MOQ：Negotiable
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Versatile Diamond Impregnated Drill Bit Various Drilling Core Sampling Applications
Best Drilling Equipment (Wuxi) Co.,Ltd

Versatile Diamond Impregnated Drill Bit Various Drilling Core Sampling Applications
Model：AQ,BQ,NQ,NQ3,HQ,HQ3,PQ
MOQ：10
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API downhole Drill Bit with matrix and steel body
Dongying On-tech Equipment Co., Ltd

API downhole Drill Bit with matrix and steel body
Model：All models
MOQ：1piece
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Ceramic Vacuum Brazed Dry Diamond Core Drill Bits Golden Color With Wax Filling
Shanghai ShangErBo Import & Export Co.,Ltd

Ceramic Vacuum Brazed Dry Diamond Core Drill Bits Golden Color With Wax Filling
Model：SEB-VB009
MOQ：negotiable
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Carbide Tipped Brad Point Drill Bit
Xiangtan Eagle Trade Co. Ltd

Carbide Tipped Brad Point Drill Bit
Supply Ability：100000pieces/Month
MOQ：10 PC/One Size
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High Speed NQ PQ HQ Diamond Pdc Core Bit For Geological exploration
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KSQ Technologies (Beijing) Co. Ltd

High Speed NQ PQ HQ Diamond Pdc Core Bit For Geological exploration
Supply Ability：50000 Piece/Pieces per Month
MOQ：negociated one
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HRA91.8 ZG6X Tungsten Carbide Wear Parts For Drilling
Zhuzhou Zonco Sinotech Wear-resistant Material Co., Ltd.

HRA91.8 ZG6X Tungsten Carbide Wear Parts For Drilling
Supply Ability：1000 pcs per month
MOQ：Negotiable
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