rock drill bit

High Rotary Speed Tricone Drill Bit:
1.Company History: 30 years
2.Long Working Life: 70 Hours

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

25pcs HSS Twist Drill bit Sets
Rolled,Polished,Fully Ground
Bright,Black,TIN
SIZES:(1-13)X0.5MM
Long life, fast drill speed

Mating drill bit of angle iron manual drill

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

DIN338 HSS drill and Masonry drill and wood brad dill bit set

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

1.Suit for drilling medium to medium-hard formations
2.Evolute asymmetrical blade cutter design
3.Combined utilization of high performance PDC bits

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

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

API high quality pdc Bit & Gas Well PDC Drill Bit & oil drill Bit

size: 8-1/2"
Number of blade 5
Cutter size (mm) 13mm
Nozzle QTY Type 5NZ
Gauge length 2.5"

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) Condition: 100% new
2) Manufacturer brand name: GREAT
3) The bit size: 17 1/2''
4) IADC code: S223
5) blade type: 6 blades

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

ExpRegion:all over the world;

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

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

API 12 1/4" Matrix PDC drill bit for Water Well Drilling
1. API & ISO
2. Professional Team
3. Mature Processing Technology
4. First-Class Service

coal mine drill bit petrolum tools
1.water well drill bits
2.Size: from 3" to 26"
3.Certificate: ISO&API
4.Seal type:Metal/Rubber

Matrix body PDC drill bit
1.Cover all IADC code of PDC bit
2.Large inventory on hand
3.Good quality and after-sale service

Twist Drill