twist drill bit

A complete line from 3 7/8'' (98mm)~26''(660mm);
IADC code in all sizes and in stocks;
Used for oil/water well,mining,etc;

Wireline impregnate diamond core drill bit
The impregnated diamond core bits are the most commonly useful bit

 
4" 5" Spherical Retractable Drill Bit ST68 102mm 115mm 127mm
 
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 Retractable Drill Bit Tungsten Carbide And High Strength Alloy Steel R38
 

Size:17 1/2'' (444.5mm)
IADC:HA537
Sealed Type:rubber sealed journal bearing
Thread Connection:7 5/8" reg pin
Weight(kgs/pc):255.0kg

1) Be used for water well, oil field, underground, construction, geothermal, directional boring
2) Various of model and dimension available

Specifications 1.best quality for 6"~17 1/2"
2.high quality,best price
4.number of blade :4,5,6,7,8,9,...

 
Dongguan Qiandao Precision Machinery Manufacture Co., Ltd is professional machinery&n

Yichuan bit 16" iadc537 tci drill bit water well drilling bit

Wireline Diamond Core Drilling Bits / 45mm Core Drill Bit for Granite
 
 
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Forging Concentric DTH Drill Bit for Big Diameter Construction Anchor Drilling
 
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GD-20A High speed Universal Cutter Grinder Graver Blade Sharpener Drill Bit Grinding Machine
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28mm - 43mm Tungsten Carbide Button Drill Bit for Drilling Bits Machines
 
 
 
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1. Short parabolic crown profile, medium cutter density.
2. Interchangeable screw nozzle.
3.Can be used on rotary or down hole motor

1 fast drilling speed,
2 high efficiency and less chipping,
3 minimum material deformation
4 long life

1 fast drilling speed,
2 high efficiency and less chipping,
3 minimum material deformation
4 long life

Steel Body PDC Drill Bit,PDC Bits

Steel Body PDC Drill Bit,PDC Bits

Wireline impregnated diamond coe bits
1. Available in all standard drilling s

Eccentric Overburden Reamer Drill Bit for Big Diameter Water Well Drilling
 
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 Hot selling  Universal Cutter Grinder Graver Blade Sharpener Drill Bit Grinding Machine

 
 
 
Product Features:
 ...

1.Factory, specializing in manufacturing mining cutter bits for more than 6 years.
2.High performance

Sealed Type :Rubber sealed journal bearing
Thread Connection:6 5/8" reg pin
Weight(kgs/pc) : 60.0kg
Size:9 7/8'' (250.8mm)
IADC:HA637

tricone drill bit
1.conical teeth and hard-facing
2.Reliable bearing system
3.Fast drilling
4.API&ISO

1) Condition: 100% new
2) Manufacturer brand name: GREAT
3) The bit size: 12 1/4''
4) IADC code: 537
5) Seal type: Rubber Sealed Bearing

Geologic Exploration Forging Reverse Threaded Drill Bit for RC Drilling Hammer
 
Reverse Circulation (RC) Drilling B

1.Factory, specializing in manufacturing cutter bits for more than 6 years.
2. Wear-resistant carbide tip for extended tooth life

Advantage----- high quality PDC drill bit :
1) Certified by ISO9001&API
2) High quality with reasonable price
3) Fast drilling rate
4) Strong

42CrMo
Brand Name:
WFN
Blade:
6...