1)14 3/4'' used oil well drilling bits
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ: 1pc
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces drill bit
Supply Ability: 500 Piece/Pieces per Month drill bit
Payment Terms: L/C,Western Union,MoneyGram
Contact Supplier
Packaging Detail: wooden case or as your requirement
Delivery Detail: within 7 days or depend on your order
About us
Heijian Baoxing Petroleum Machinery Co.Ltd and 15 year's experience in drill bit
All our products have passed ISO9001 certification
With the business philosophy of "high quality goods, create the brand, struggle for first-class" we assure our products of the best quality by adopting advanced design technology, manufacturing process and strict quality control
About product
1)Sealed rolling bearing is placed in the cylindrical roller rolling groove, increasing the journal size, so it has to withstand high pressure drilling and the ability to adapt to high-speed
2)Vice thrust bearing surface, respectively hardened antifriction treatment and improve the carrying capacity and bearing anti-drill ability to bite
Steel tooth bit size | API Connecting thread | Weight (kg) | |
| In | mm | ||
| 4 5/8 | 117.5 | 2 7/8 | 6.0 |
| 4 3/4 | 120.6 | 2 7/8 | 6.5 |
| 5 3/4 | 146.1 | 3 1/2 | 16.5 |
| 5 7/8 | 149.2 | 3 1/2 | 17.0 |
| 6 | 152.4 | 3 1/2 | 18.0 |
| 6 1/4 | 158.7 | 3 1/2 | 19.0 |
| 6 1/2 | 165.1 | 3 1/2 | 19.0 |
| 6 3/4 | 171.4 | 3 1/2 | 19.0 |
| 7 1/2 | 190.5 | 4 1/2 | 26.5 |
| 7 7/8 | 200.0 | 4 1/2 | 29.0 |
| 8 3/8 | 212.7 | 4 1/2 | 35.0 |
| 8 1/2 | 215.9 | 4 1/2 | 35.0 |
| 8 3/4 | 222.2 | 4 1/2 | 36.0 |
Model No.: DHD3.5
Features: DTH hammer:
1,fast drilling speed
2,ISO 9001 certificated DTH Hammer
3,trinity design in joint
4,Dia: 82mm to 580mm
Model No.:
Features: HIGH QUALITY,LONG LIFE ,STAND HIGH STRENGTH
Model No.: 444.5mm high quality new TCI tric...
Features: 1 With API and ISO9001
2 High quality
3 Various of model and dimension available
4 Fast drilling rate
5 competitive price
Model No.: 6'---26inch
Features: 1have high wearing impact resistance
2.becautiful appearance
3.high quality
Model No.: Hx
Features: Diamond saw blades
diamond blade/saw blade/diamond cutting disc
diamond tools/cutting blade/cutting tools/ blade
Model No.: GA214
Features: types of bearing:joumal beanngs
types of sealing:rubber rings
item:steel tooth bit for medium hard with hard stringers
Model No.: 02A-1
Features: Oil Drill Bits
Size: 8 1/2" 9 5/8" 9 7/8" 12 1/4" 17 1/2" etc
IADC:417/517/537/617/637
API&ISO Cert.
Rubber/Metal Beaing
Model No.: 8-1/2"
Features: rubber sealed drilling bit
1.size 8-1/2"
2.API 4-1/2" ,number of nozzle is three,rubber sealed
3.ISO9001 certificate
4.BV
Model No.:
Features: English drill bit
1.High quality
2.Combination price directly from factory.
3.Good quality with competitive price.
Model No.: C002
Features: Core bit
1. High efficiency
2. Long life
3. Standard drill hole
4. Competive price
Model No.: R32
Features: R32 drill button bit
ISO9001&14001
high quality and the lower price
OEM or produce according to your request
best service
Model No.: DHD3.5
Features: DTH hammer:
1,fast drilling speed
2,ISO 9001 certificated DTH Hammer
3,trinity design in joint
4,Dia: 82mm to 580mm