step drill bit

PDC rock cutters drill bit
1.Certified by ISO9001& API
2.Size rang from 3 7/8~26
3.Reliable quality
4.Cover all IADC code

1) ISO9001&API
2)Covers all IADC codes
3)Size:12 1/4"
4)Used for oil well and water well

Made by high strength steel, on which rubbed by tungsten carbide teeth.Good wear-resisting and taking shape well while drilling.

Mating drill bit of angle iron manual drill

PDC drill bit manufactured by Zhengzhou LD Diamond Products CO.,Ltd. Widely used for geothermal drilling, water well drilling, geological exploration,

TCI tricone bits/ three cone bits
1.Certified by ISO9001&API
2.Used for water well, oil field
3.IADC:114-117,127,437,517,617,637
4.type:3-8b

13pcs HSS Twist Drill Bit Sets
Rolled,Polished,Fully Ground
Black,White,TIN
(1.5-6.5)X0.5MM+3.2MM+4.8MM
Fast speed,long life

Product Description:
HSS Twist Drill bit, Double Ended
Fully Ground
4341,9341,M2,M35,M42
3.0mm-6.5mm ...

ISO9001:2000 certificated
Efficient assembly, high abrasion resistance,impact resistance

Mainly used in water well, geothermal well, dam grouting, blast hole, oil and gas, coal mining, constructions field.

1.high quality and best service
2.pdc bit for water well drilling
3.superior in quality;reasonable price

Very soft formations with low compressive strength and high drillability,such as clay,mudstone,chalk,gypsum,salt,soft shale,soft limestone,etc.

Specifications 1>Meet with API Spec7-1 &ISO 9001:2008 2>Good quality and after-sale service 3>30 years experience in it.

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

1) Condition: 100% new
2) Manufacturer brand name: GREAT
3) The bit size: 12 1/4''
4) connection: 6 5/8'' API Reg
5) blade type: 4 blades

thread drill bits of button bits
1.Button Type
2.Diameter: 35mm - 178mm
3.Thread: R22,R23,R25,R28,R32,R38,T38,T45,T51
5.Certificate:ISO9001

Features:
1) Size:
a) 6, 8, 10 x 160mm, 3pcs
b) 8, 10, 12 x 210mm, 3pcs
c) 8, 10, 12, 14 x 260mm, 3pcs...

* Drill Saw can be used as a Drill, Saw, Rotary file, Reamer and Router,which is made of High Speed Steel and Titanium Coated for extended life

This is super high hardness super mirror finish stainless high speed steel. It is characterized by excellent anti-rust, anti-corrosion, anti-wor

oilfield drill bit suppliers
1.OEM water well drill bit
2.steel tooth&TCI tricone drill bit for water well
3.water well bit cover all IADC codes

Matrix body PDC bit
1.best price and high quality
2.4 blade count
3.can change the spiral nozzles
4.wooden or steel boxes...

Used for the urban orientation penetrate project to lay the pipe for gas or water.It meets the all direction drill controled by the sound house.

1.API all size, all IADC all chinese brand
2.Large quatity in stock
3.abundant experience to export

Specifications 1.Sizes rang from 2 7/8" to 26"
2.Covers all IADC code
3.made of used oil drill bit

1.Competitive Price(larger order, lower price)
2.Perfect Quality Control System
3.Excellent Sevice
4.Large Business scale

ISO9001:2000 certificated
Efficient assembly, high abrasion resistance,impact resistance

1,24 years experience in tricone rock bit
2,Covers almost all IADC code
3,Assembling bit for drilling

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

thread drill bits of button bits
1.Button Type
2.Diameter: 35mm - 178mm
3.Thread: R22,R23,R25,R28,R32,R38,T38,T45,T51
5.Certificate:ISO9001

Features:
1) Size:
a) 5, 6, 8 x 110mm
b) 6, 8, 10, 12 x 160mm
2) Material: 40Gr, YG8C...