concrete drill bit

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) 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

144pcs HSS Concrete Wood Combination Drill Bit Sets , Household Drill Bits Kit
 
Specifications:</

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

We are Non-standard precision tool manufactures specialty, we have been accumulating over 20 years rich experience on R&D and producing CNC precision

Size: 8-1/2"x4"
Size of cutter: 8mm
Blades: 6

size: 12-1/4"
Number of blade 5
Cutter size (mm) 13mm, 16mm, 19mm
Nozzle QTY Type 7NZ
Gauge length 2.5"

It is a type of drill head, which is suitable for rock geology.
It is used to drill pilot hole for HDD.

Steel Body PDC
Use high-quality steel to make the base material of PDC bit, the surface of the blade weld high-performance
wear-resistant materials,

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