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91mm Impregnated Diamond Core Drill Bit
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91mm Impregnated Diamond Core Drill Bit

  1. The 91mm Impregnated Diamond Core Drill Bit is a high-performance core bit, widely used for geological exploration, water well drilling, and engineering boreholes. Manufactured using high-temperature and high-pressure sintering technology, it features high wear resistance and long service life due to the close integration of diamond particles with the metal matrix.
  2. The drill bit offers high drilling efficiency and impact resistance, making it suitable for a variety of rock formations, especially medium-hard and complex strata. Its optimized cooling and debris removal design further enhances drilling efficiency and service life.

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Products Catalog

Drill Pipe
62mm PDC Drill Bit for Oil & Gas, Mining Exploration - Non-Coring, High-Speed Rock Drilling
110mm Single Tube Electroplated Hole Opener – Compatible with Hydraulic Rigs & Impregnated Diamond Drill Bits (Wireline/Coring Applications)
Thin-Wall Drill Core Bits for Concrete
GY-300T Core Drilling Rig - Precision Engineering for Geological Exploration
Track Platform
Water Well Drilling Rigs
Full Hydraulic Crawler Mounted 100 M 200 M 250 M 260 M Borehole Drill Wells Water Well Drilling Rigs Machine
Portable Well Drilling Equipment 200m Small Water Well Drilling Rigs for Sale
FY580 Pneumatic DTH Crawler Drilling Rig 100m 300m 500m 600m Drill Rig for Water Well Drilling
Crawler Drill Rig 150m 200m Hydraulic Track Mounted Drill Rig for Water Well Drilling
Bore Hole Deep Water Well Drill Well Drilling hole Water Drilling Machine
Heavy-Duty Solar Foundation Pile Driver - Hydraulic Drilling Equipment
CYDX-5 crawler type fully hydraulic core drilling rig
CYG-300 Fully Hydraulic Drilling Rig
CYG-200 Fully Hydraulic Drilling Rig
CYDX-3 split full hydraulic drilling rig
Wireline Core Drill Bits
SD95 95mm Diamond Impregnated Core Drill Bit | High Efficiency & Durability for Hard Rock Drilling
101mm Premium Diamond Core Bit for Hot Press Outlets – Fast, Durable & Precision Drilling
Green Single Tube Wireline Core Drill Bit Customizable
Golden Double Tube Wireline Core Drill Bits Customizable
NQ Golden Double Tube Wireline Core Drill Bit Customizable
NQ Green Double Tube Wireline Core Drill Bit Customizable
NQ75mm Purple Single Tube Wireline Core Drill Bit Customizable
NQ75mm Purple Double Tube Wireline Core Drill Bit Customizable
91mm Wireline Core Drill Bits
Parts & Accessories
Mud Pump
BW250 Triplex Piston Pump for Oil Drilling, Shale Gas Fracturing, Mineral Exploration, Pile Foundation Engineering, and Geothermal Well Development
Triplex Mud Pump BW160/10 for Mining and Geological Exploration （Oil and Gas Drilling、Coal Exploration）
Yellow Triplex Mud Pump for Water Well Geological Exploration
Efficient & Durable Black Triplex Mud Pump for Water Well Drilling Rig – Powerful Delivery, Reliable Performance
BW160 Triplex Mud Pump – Heavy-Duty Drilling Pump for Oilfield & Construction
BW160 Single-Cylinder Mud Pump
BW-150 Mud Pump
BW-120QF Mud Pump
BW-320 Mud Pump
BW-250 Mud Pump
BW-160/10 Mud Pump
BWQ-160 Mud Pump
BW-160 triplex mud pump
Casing Shoe
Reaming Shell
76mm High-Strength Red Reamer for Casing Drilling, Directional Drilling & Hard Rock Drilling
75mm Single Electroplated Reamer – Hydraulic Drill & Wireline Bit Compatible | DTH Hole Opener | Mining & Construction Tools
59mm Dual-Coated Single Tube Reamer – Hydraulic Drill & Wireline Bit Compatible
150mm Electroplated Reaming Shell – Compatible with Hydraulic Rigs & Impregnated Diamond Drill Bits
91mm Electroplated Hole Opener / Reamer – Single Tube (for Hydraulic Drills & Wireline Drill Bits)
94mm Dual-Tube Thermal Pressure Reamer – High-Efficiency Borehole Enlargement Tool for Geological Exploration
47mm Diamond Reaming Shell for Mining Geological Drilling Tools
76.5mm NTW Impregnated Diamond Reaming Shell
75mm NQ Diamond Reaming Shell
HQ Diamond Reaming Shell
77mm HTW Diamond Reaming Shell
Pipe Wrench
Internal Pipe Wrench
75mm NTW Pipe Wrench
108mm Adjustable Pipe Wrench
95mm Internal Pipe Wrench
75mm Pipe Wrench
75mm Internal Pipe Wrench
Brake Band
Parts
76mm 89mm Horizontal Directional Drill Rod / Drill Pipe 1m 2m 3m or 4.5m Length for Water Well Drill Rig
XY-2 Drill Pipe Clamping Ring Assembly
XY-150 Drill Pipe Clamping Ring Assembly
Hex Drive Nut
Drill Rod
High-Strength Auger Drill Rod – Durable & Corrosion-Resistant for Soil Sampling & Geotechnical Drilling
Hollow Spiral Drill Pipe (HSA Type) for Precision Geotechnical Sampling
FineDrill 18mm-400mm Concrete Drill Bit Manufacturer Diamond Core Drill Bits for Concrete Stone Brick Wall Hard Rock Holes
152mm 260mm Thread Core Bit Turbo Laser-Welded Segments Dry / Wet Diamond Core Drill Bits for Concrete with Rebar, Brick, Block
76mm 89mm Horizontal Directional Drill Rod / Drill Pipe 1m 2m 3m or 4.5m Length for Water Well Drill Rig
Drill Bits
PDC Drill Bits
140mm NC76 PDC 4 Wings Coring Drill Bit for Mining, Tunneling & Construction
72mm PDC Tricone Drill Bit – for Oil & Gas, Coal Mining & Water Well Drilling – Non-Coring, High-Speed, Durable
62mm PDC Drill Bit for Oil & Gas, Mining Exploration - Non-Coring, High-Speed Rock Drilling
PDC drill bit 70mm coreless matrix 5 diamond, water channel, (coal / oil / wells)
112mm PDC Core Bit for Oil and Gas Drilling, Geological Exploration
73-220mm Coreless Tricone PDC Drill Bit – High-Performance Rock Drilling Tool for Oil, Gas & Water Wells
PDC Diamond Drill Bit – High-Performance Non-Coring Bit for Efficient Drilling (Oil, Gas, Geothermal, Mining)
113mm PDC Core Drill Bit for Dry Drilling | Fast & Durable | Diamond-Enhanced | Ideal for Concrete & Rock Coring
3 Wings 5 Wings Cordless Drill Bit for Water Well and Mine
Durable Blue Hot Press Drill Bits with Sharp Teeth for Drilling
Single Tube PDC Tungsten Carbide Insert Drill Bit
100mm Four-wing Single Tube PDC Flat Top Non-Core Diamond Drill Bit Customizable
130mm PDC Flat Top Non-Core Diamond Drill Bit
90mm Four-wing Double Tube PDC Flat-top Drill Bit Customizable
90mm Five-wing Single Tube PDC Flat-top Drill Bit Customizable
Ribbed Core Bit
Single Tube Core Bit
169mm Fishing Drill Bit
140mm Four-Wing Arc PDC Drill Bit for Geological and Mining Drilling
132mm Four-Wing Arc PDC Drill Bit for Geological and Mining Drilling
200mm Four-Wing Arc PDC Drill Bit for Geological and Mining Drilling
165mm Four-Wing Arc PDC Drill Bit for Geological and Mining Drilling
153mm Three-Wing Conical PDC Drill Bit for Geological and Mining Drilling
152mm Four-Wing Tiered PDC Drill Bit for Geological and Mining Drilling
152mm Four-Wing Arc PDC Drill Bit for Geological and Mining Drilling
133mm Four-Wing Arc PDC Drill Bit for Geological and Mining Drilling
120mm Directional PDC Drill Bit for Geological and Mining Drilling
120mm Steel Body Directional PDC Drill Bit for Geological and Mining Drilling
120-203mm Expansion PDC Drill Bit for Geological and Mining Drilling
120-165mm Expansion PDC Drill Bit for Geological and Mining Drilling
120mm Five-Wing Arc PDC Drill Bit for Geological and Mining Drilling
115mm Four-Wing Arc PDC Drill Bit for Geological and Mining Drilling
113mm Four-Wing Open-Close PDC Drill Bit for Geological and Mining Drilling
113mm Four-Wing Arc PDC Drill Bit for Geological and Mining Drilling
113mm Three-Wing Arc PDC Drill Bit for Geological and Mining Drilling
103mm Three-Wing Open-Close PDC Drill Bit for Geological and Mining Drilling
98mm Four-Wing Steel Body PDC Drill Bit for Directional Drilling
94mm Seven-Wing Flat-Top PDC Drill Bit for Geological and Mining Drilling
94mm Four-Wing Arc PDC Drill Bit for Geological Drilling and Mining
94mm Three-Wing Concave Reinforced Spiral PDC Bit for Geological Drilling
75mm 3-Blade Tapered PDC Drill Bit - High Efficiency & Durability
65mm Five-wing PDC Flat-top Drill Bit
28mm Full Piece Rock Bolt Drill Bit
Core Drill Bits
HQ Diamond Drill Bit 94MM PDC Diamond Core Drill Bit for Hard Rock Coal Mining
127mm 6inch 7inch 8inch 9inch 245mm PDC Core Drill Bit
NQ Impregnated Diamond Core Drill Bit (75mm/76mm/77mm) – Double Tube Design for Hard Rock Drilling – Oil/Gas, Mining, Geothermal
PQ Impregnated Diamond Core Drill Bit – Double Tube Design for Hard Rock Drilling, Mining & Deep Coring
Double Tube Impregnated Diamond Core Drill Bit – for Hard Rock, Deep Coring & Geotechnical Exploration
NQ Impregnated Diamond Core Drill Bit – Premium for Extreme Hard Rock, Oil/Gas, Geothermal & Construction Drilling
91mm Single Tube Impregnated Diamond Core Bit for Hard Rock Drilling · Deep Sampling · Oil & Gas · Tunnel Engineering
75mm Single-Tube Diamond Impregnated Core Bit – For Hard Rock Drilling/Deep Sampling/Oil & Gas Applications
75-122mm Hard Rock Coring Bit (Impregnated Diamond) | Oil & Gas Drilling | Deep Sampling for Tunneling
Double Tube HQ NQ Impregnated Core Drill Bit for Oil & Gas / Tunneling / Deep Drilling Hard Rock Efficient Sampling
110mm Impregnated Core Bit | Single Tube for Hard Rock Drilling | Deep Sampling | Oil & Gas | Tunneling
NQ Impregnated Core Bit – Premium Hard Rock Drilling (High-Durability Design for Oil/Gas & Tunneling)
HQ Impregnated Core Bit – Designed for Hard Rock Drilling, Deep Sampling, Oil & Gas, and Tunnel Engineering
NQ Hard Rock Core Drill Bit – Diamond Impregnated for Deep Drilling, Ideal for Oil & Gas / Tunnel Engineering
76mm Golden Diamond Impregnated Core Bit Set (with Reamer + Drill Rod Adaptor) – Heavy-Duty for Mining, Oil & Gas, Water Well Drilling
76mm Gold-Color Diamond Impregnated Core Bit · High Efficiency & Durability · For Geological/Engineering Drilling
102mm PDC Core Bit for Geological Exploration/Oil & Gas Drilling · Deep Hole Hard Rock Coring Tool
NTW 77mm Impregnated Diamond Core Bit for Geological Exploration, Mining, and Engineering Drilling
91mm PDC Core Bits Diamond for Hard Rock and Geological Exploration
130mm PDC Drill Bit - Wear-Resistant & Impact-Resistant, Suitable for Hard Sandstone/Formations, Anti-Blocking Design
110mm PDC Drill Bit – High-Efficiency Wear-Resistant Round Tooth PDC Bit, Designed for Hard Rock & Sandstone Formations
91mm PDC Drill Bit | High-Strength Pineapple Drill Bit | High Efficiency & Wear-Resistant | Ideal for Hard Rock Formations
75mm PCD Diamond Cutter Bit – High-Performance PDC Drill Bit for Hard Rock & Concrete Drilling
112mm PDC Core Bit for Oil and Gas Drilling, Geological Exploration
132mm Single Tube PDC Core Bit – Diamond Drill Bit for Geological Exploration, Mining, Oil & Gas, Construction, and Water Well Drilling
112mm Single Tube PDC Core Bit – High-Performance Diamond Drill Bit for Fast Coring in Hard Rock & Concrete
90mm Industrial Black PDC Bit | High Torque Design for Hard Rock Tunneling & Mineral Exploration
90mm Magenta PDC Core Drill Bit - High-Visibility Wear Indicator for Precision Rock Coring
113mm PDC Core Drill Bit for Dry Drilling | Fast & Durable | Diamond-Enhanced | Ideal for Concrete & Rock Coring
SD95 95mm Diamond Impregnated Core Drill Bit | High Efficiency & Durability for Hard Rock Drilling
77mm Impregnated Diamond Core Drill Bit – High Efficiency, Wear-Resistant, Precision Coring
For Fragmented Formations 91mm PDC Core Drill Bit for Water Well Drilling and Geological Exploration
90mm Single Tube PDC Diamond Core Drill Bit
HQ Water-Recovery Core Bit
PQ122-85 Impregnated Diamond Double-Tube Core Bit
NTW Impregnated Diamond Core Bit
NQ Impreganted Diamond Core Bit
Single-Action Double-Tube Diamond Core Bit
130mm Impregnated Diamond Core Drill Bit
110mm Impregnated Diamond Core Drill Bit
91mm Impregnated Diamond Core Drill Bit
75mm Impregnated Diamond Core Drill Bit
82mm 4-Short Cutting Edge Thin-Wall Diamond Drill Bit
68mm Four Short Cutting Edge Thin-Wall Diamond Drill Bit
Synthetic diamond thin-wall bit
95.5mm NTW Impregnated Diamond Core Bit
76.5mm NTW Impregnated Diamond Core Bit
76mm NQ Diamond Core Bit
76-77mm NQ Diamond Core Bit
95mm HTW Impregnated Diamond Core Bit
Sintered Core Bit
60mm BQ Impregnated Diamond Core Drill Bit
95-71 HTW Diamond Core Drill Bit for Hard Rock Coring
Electroplated Diamond Core Drill Bits
92mm Helical Tooth Electroplated Diamond Core Drill Bit for Geological Exploration | Rock Coring / Mineral Prospecting / Hard Rock Drilling
92mm Electroplated Diamond Core Bit, Single Tube Design for Mining & Geotechnical Drilling - Hard Rock Coring & Soil Sampling
92mm Double Tube Electroplated Diamond Core Drill Bit – for Geological Exploration, Mineral & Oilfield Coring, Soil/Rock Sampling
Professional 75mm Electroplated Diamond Core Drill Bit – High Recovery Rate for Geological Survey & Construction
91mm Electroplated Diamond Core Drill Bit for Granite/Marble/Geological Exploration/Rock Core Sampling
91mm 110mm Electroplated Diamond Core Bit – for Concrete Drilling, Stone Cutting, Construction & Renovation
110mm Blue Electroplated Diamond Core Bit for Shallow-depth exploration, precision coring
110mm Single Tube Electroplated Diamond Core Drill Bit
90mm Electroplated Diamond Double Tube Core Drill Bit
Electroplated Diamond Coring Drill Bit
Electroplated Diamond Single Tube Core Drill Bit Customizable
Single Tube Electroplated Diamond Core Drill Bit Customizable
Electroplated Diamond Double Tube Coring Drill Bit
Rock Bits
TCI 14 3/4" IADC 617 Tricone Bits for Hard Rock Drilling in Water Well or Oil Drilling
6" 8 1/2 9 7/8 12 1/4 15 1/2 Inch 171-445mm Iadc 537 637 TCI Tricone Rock Roller Drilling Bit for Water Oil Well
9′′ TCI Tricone Drill Bit Rock Drill Bits for Oil Field Drilling Equipments
Reaming Drill Bit
75mm Single Hot-Pressed Diamond Reamer for Geological Exploration – High-Performance Core Drilling Tool
110mm Half-Casing Reamer (Coupler) – Hydraulic/Rope Drill Compatible | DTH Hammer | Rock Drilling Tool
120-203mm Expansion PDC Drill Bit for Geological and Mining Drilling
120-165mm Expansion PDC Drill Bit for Geological and Mining Drilling
Fishing Drill Bit
169mm Fishing Drill Bit
DTH Hammer Bit
High-Performance DTH Hammer Bits – Precision Drilling for Tough Conditions
Drilling Rig
Compact Drilling Rig
Powerful 300m Water/Air Dual-Purpose Drill Rig – Efficient Drilling Solution for Mining, Geothermal & Engineering Surveys
TW-100 Drilling Rig
60 Core Drilling Rig
Portable Qk-30 Geological Exploration Drill Machine Water Well Drilling Rig
GY-150H Engineering Drilling Rig
GY-200-1G Compact Engineering Drilling Rig
GY-150B pump-machine integrated drilling rig
GY-50-1 Compact Engineering Drilling Rig
GY-200 2A Engineering Drilling Rig
GY-150HB Engineering Drilling Rig
GY-1 Engineering Drilling Rig
GY-150 Engineering Drilling Rig
Core Drilling Rig
XY-200 Core Drilling Rig
XY-150 Core Drilling Rig
XY-2B Rotary Core Drilling Rig
XY-2B Core Drilling Rig
XY - 1 Core Drilling Rig
XY-1A Core Drilling Rig
SJ - 300 Type Water Well Drilling Rig
KD - 150 Tunnel Drilling Rig
GK - 200 Type Drilling Rig
QWY-30 portable drilling rig
QDW-50 Mountain Drilling Rig
WTY-30A portable drilling rig
TW-100 drilling rig
XY-6B Core Drill
XY-8B Multi-function Core Drilling Rig XY-8B Multi-function Core Drilling Rig
XY-5A Core Drilling Rig
XY-2 Core Drilling Rig
XY-4 Core Drilling Rig
XY-44A Core Drilling Rig
GY-300A Core Drilling Rig
Tower Machine Integrated
XY-4T drilling rig
GY-200-1T Engineering Drilling Rig
XY-44T drilling rig
GY-300T Core Drilling Rig
Water well Drill Rig
Full Hydraulic Crawler Mounted 100 M 200 M 250 M 260 M Borehole Drill Wells Water Well Drilling Rigs Machine
HR-150 Drilling Rig for Water Well
XY-1B Compact Core Drilling Equipment with Pump Integrated
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