taper drill bits

Trademark:huazuan;

Milled tooth rock bit drilling machine
1.Large inventary on hand
2.Good quality and after-sale service
3.Good wear resistance
4.Reliable quality

1.used for oil filed, waterwell
2.Meet API& ISO
3.TCI tricone bits certified by ISO

Power tool accessories;Short Hex shank electric hammer drill bit

1) ISO9001&API
2)Covers all IADC codes
3)Size:7 7/8"
4)Used for oil well and water well
5)triocne bit

API tricone steel tooth bit
1.fast rotary rate
2.long service life
3.competitive price and after-sale service
4.API&ISO9001

It has a super long life. The useful life of the PDC bit is 4~5 times than the diamond bit, 10 times than the tungsten carbide bit at least.

1) ISO9001&API
2)Covers all IADC codes
3)Size:8 1/2"
4)Used for oil well and water well

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

9 1/2" TCI Tricone Drill Bit /Three Cone Bit
1. All sizes available
2. Reliable bearing system
3. Fast delivery

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

Matrix body PDC bit
1.best price and high quality
2.5 blade count
3.7 nozzles
4.Spiral blades...

Machine Type:Drilling Tool
Certification:API
Material:TCI
Processing Type:Forging
Use:Well Drilling

mining dth bore hole drill bit
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill dia range : 65mm ~253m
4.ISO certi

Specifications
1.tricone drill bit in Hebei province
2.best price
3.wide size code
4.certified by API,ISO ...

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 ...

carbide bullet drill bit
1.heat treatment:40-44HRC
2.hardness tip: above 50HRC hardness
3.Material:Carbide,ASTM4142 or 42CrMo
4.ISO Certificate

PDC coal mining bolt drill bit
1. leading OEM manufacturer
2. M12-16, R22, hex thread
3.size from 25 to 45mm
4. best service

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...

1) Certified by ISO9001&API
2) Fast drilling rate
3) Strong cutting structure durability
4) supplier to America and Middle East

Tricone drill bit ,Steel tooth drill bit
Tci drill bit ,Roller Cones, Reamer Hole Opener

Threaded button rock drill bit
1.Model:R22,R25,R32,R38,T38,T45,T51;
2.Tip Types:Round, Parabolic, Ballistic;
3.Application:Mining, Drilling, etc

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

ExpRegion:all over the world;

High Quality 12-1/4" PDC Drill Bit
Certificate: API 7-1 & ISO9001
Manufacturer

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

Manufacturing Process: Fully Ground,Milled
Material: HSS (HSS-E are available)
Diameter: 1/16-1/4inch, 1.5-6.5mm
Surface Finish:Black Oxide,B

Includes:HSS twist drill bits,Masonry drill bits,Woodworking drill bits ,hex shank twist drill bits ,Cr-V bits

pdc drilling bits machine
1.Good wear-resistance
2.Tungsten carbide hardfacing on tooth surface
3.Better steel and longer stable drilling hours