wood drill bit

1) material: AISI4145H steel and heat treated
2) The bit size: 12 1/4''
3) connection: 6 5/8'' API Reg
4) blade type: 4 blades
5) cutter size:16mm

1Certified by ISO9001&API
2Used for water well, oil field
3IADC:114-117,127,437,517,617,637
4.type:3-8blades
5.delivery on time

 
Overburden Drill Bit overburden drilling system 70mm - 400mm OD
 
Details Des

which is suitable for drilling in soft to medium hard stratum, and has better advantages in overcoming incomplete stratum drilling

High temperature heat treatment forged alloy steel. Carbide teeth with high strength and toughness work more efficiently

1. Seven Blades and Capacious Flume
2. High wear resistance cutters.
3. Oppose-circumnutation design.
4. suitable for medium to hard formation.

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

 
In order to serve our customer more fast and convenient, we have branc

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