taper drill bits

Diamond Drill Bit for Oil Drilling
1. Suitable for high abrasive and hard formations
2. Impregnated cutters
3. Certification by API & ISO

rock thread button drill bits
1.material:Steel Carbide
2.Production experience :40years
3.Diameter:38-127mm
4.Button bit shape:Spherical and Ball

PDC drill bits for oilfield
1.Blades:3--9
2.Cutters:1913,1613,13133
3.ISO API approved
4.Speed:60-300rpm...

1). Steel grade: G105
2). Specification: Dia 50-127mm
3). Good quality and low price
4). All sizes as customer's request

Steel tooth bit, Low compression strength, high drillability soft formation, Normal rolling bearing

high strengh, high wear resistance, advanced heat treatment, long service life,gauge-protection, matrix body,matrix body

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

Drill bits for hard rock
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill diameter range : 65mm ~253mm
4.5 fa

6 wings PDC Drill Bit
1. All sizes available
2. High Penetration, High Blade Profile
3. Better Durability

1)Size from 95mm to 450mm
2)Super quality and competitive price
3)Meet the needs of the new and old customers

high strengh, high wear resistance, advanced heat treatment, long service life,gauge-protection, matrix body,matrix body

Tricone bits from 6 to 17 1/2 inch, both steel milled tooth and Tungsten Carbide Insert Bit with metal seal.

tricone rock bit
1.Normal WOB KN/mm (bit dia.):0.35~1.05
2.Rotary Speed(rpm):240~50
3.structural features:journal bearing

1.button tooth or steel tooth
2.carton, wooden box,steel box or as your requirements
3.soft,medium soft,hard,medium hard

roller cone bits
1.long service time
2. well drilling
3.best price and high quality
4.we can provide the sample ,but customer need to pay all.....

1,Suit for drilling medium to medium-hard formations
2,Evolute asymmetrical blade cutter design
3. balanced bit load so that bit whirl is prevente

1.Homework diameter size:12-1/4inch
2.Number of blade:5 blade
3.Connection thread size:6-5/8 inch
4.Cutting teeth specifications:1613

Matrix PDC drill bit for mining & geotechnical With premium PDC cutters, the bit has enhanced reliability and drilling efficiency.

PDC drill bits
1 PDC drill bits has high abrasion resistance
2 PDC bits widely used coal mining drilling hole

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

New arrival steel tooth roller bit for drilling water well
Model
TCI BIT, STEEL TOOTH BIT PDCoil drill bit roller bit
IADC CODE
116 117 126 127

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

New arrival steel tooth roller bit for drilling water well
Model
TCI BIT, STEEL TOOTH BIT PDCoil drill bit roller bit
IADC CODE
116 117 126 127

TONGYU supply DIN338, DIN340, DIN1897, DIN1869, DIN341, DIN345, Jobber, Screw & Taper Length, aircraft drills, etc.

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

DIAMOND TOOLS
DRILLING TOOLS
DIAMOND CORE DRILL BITS
DRILL BITS
DIAMOND CORE BITS

1.Structure:Deep Hole Drilling
2.Precision:Normal Precision
3.Outside Diameter Mm:42-200
4.Thread Type:T & R, Left or Right

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

1.Name: Thread Button Bit
2.Use: Ore Mining
3.Packing Message:50Piece/Wooden Case
4.Delivery Time:15 days
5.Cheap but Quality

Diamond core drill bit/PDC core bit
1.Cover all IADC codes
2.Bit with API
3.Type: drill bit
4.Oilwell applilcation