step drill bit

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

we are manufacturer of tricone drill bit,pdc bit,hole opener,welcome to visit our factory.

The skirt body using the material of 45CrNiMnV(Chromium, Nickel, Manganese, Vanadium)alloy steel, taking the heat-inlay fasten buttons technology.

pilling bit , Multiply cone bit , reamer bit , hole opener bit ,factory from china for tricone drill bit,rock bit,pdc bit

Hebei Zhankui Drill Equipment Co., Ltd supply PDC bits for well certified by ISO9001&API

we are factory for tricone bit,pdc bit,hole opener,welcome to visit us ,to inquiry and to order.fast delivery ,quality guaranteed

Factory of tricone bit,pdc bit ,if you are interested in,pls contact us,skype srt.rollerbit

1.Fully ranged products.
2.Used on excavation machines, shearers,mining roadheader
3.Prompt delivery

1) ISO9001&API
2)Covers all IADC codes
3)Size:3 1/2"~26"
4)Used for oil well and water well

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

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

Medium-Hard Formation Tooth Bits
The 127bits are used to drill high-compressive strength,medium hard formations .Short projection teeth w

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

We can supply all kinds of "RuiZuan"brand coal mining bit ,sleeves and holders PDC drill bit which have high strength ,high wear resistance and lo

1. Diamond core drill use for concrete, granite, rock
2. Small nose
3. Large power
4. Long service life
5. High precision

A world class manufacturer & supplier of lost wax investment castings in carbon steel and alloy steel, is one of the large-scale professional investme

Specifications:
The laser-welded core bit is designed for reliability, efficiency and safety on a variety of construction materials. It's ideal for

Features:
1) Rapid drilling speed
2) Little vibration
3) Easy operation and maintenance
4) Cylinder diameter: 58mm...

High-strength structure alloy steel
Carbides with best quality
Reasonable structure
Certificate: ISO9001:2008, SONCAP
Normal and retrac

Manufacturing process: milled, fully ground
Point angle: 118° or 135° split point
Flute type: N
Material: HSS or HSS-Co
Finish: White,TIN Coated,R

solid carbide twist drills DIN 1897, drill bits, stub drills, K10 for material, fully ground, with round shank, bright finish

1.Standard:API
2.Out diameter:2 7/8"-5 1/2"
3.Rated load range:50t(900kN)-350t(3150kN)

1.certification API and ISO9001
2.established in one thousand nine hundred and eighty
3.supplier to America and Middle East

• Mining Bits
• Oil Well Bits
• Water Well Bits
• Geothermal Bits
• Environmental Bits...

 
Type C USB 3.1 Waterproof Micro USB Connector Metal For Mobile Phone
 
 
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Features:
1) Drill bit: ?5 x 110 ~ ?38 x 600
2) Material: 40Gr, YG8C, YG10C

Features:
1) Drill bit: ?5 x 110 ~ ?38 x 600
2) Material: 40Gr, YG8C, YG10C

TCI Tricone Drill Bit
1.Material:Sungsten Carbide
2.Cover all IADC code
3.Water Drill Bits
4.Fast Feedback

single bit
1.best quality and best price
2.fast delivery time
3.high drill speed
4.best after-sale service...

TCI tricone bit
1.best quality and best price
2. fast delivery time
3.certification:API&ISO
4.best after-sale service