1)15 year's experience in drill bit
2)certificate:ISO9001:2000
3)delivery in time
4)long life time
5) MOQ:1 piece
Port: Tianjin
Minimum Order Quantity: 1 Piece/Pieces drll bit
Supply Ability: 300 Piece/Pieces per Month drill bit
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: wooden case or cartons case and/or as your requirement
Delivery Detail: within 7 days
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.: 3/16",1/4"
Features: The flexible drill bit extensions are used in conjunction with the flexible drill bits.
Model No.: PDC Drag Bit 9
Features: 1. Higher Average ROP
2. Greater Stability
3. Greater Durability
4. Ten years in PDC Bit field
5. API Approved
Model No.:
Features: We manufacture Low price and high quality drill bit set
with supreum tequnique and selected material
Model No.: 32"/800mm
Features: This Extra long spade bit includes 8 commonly used spade bits including: 3/8, 1/2, 5/8, 3/4, 1, 1-1/8, 1-1/4
Model No.: PDC Drag Bit 8
Features: 1. Higher Average ROP
2. Greater Stability
3. Greater Durability
4. Ten years in PDC Bit field
5. API Approved
Model No.: Other
Features: concrete core bits, diamond core drill bit
1.laser welded for 10' and below
2.12' and 14' are silver brazed
Model No.: BQ HQ NQ PQ AQ
Features: diamond core drill bit
designed to handle a wide variety of formations
Model No.: HLSD003
Features: 1.For ceramic and glass core drilling
2.High drill accuracy
3.Fast drilling speed
4.Good quality
5.OEM offfer
Model No.:
Features: 1.for glass drilling
2.all sizes are viable
3.good quality and low price
4.fast drilling
5.diamond material
Model No.:
Features: 1.for glass drilling
2.all sizes are viable
3.good quality and low price
4.fast drilling
5.diamond material
Model No.:
Features: 1.Material:Diamond
2.Electroplated
3.grain size:120#
4.Purpose:glass drilling
5.Good quality and cheap price
Model No.:
Features: 1.Material:diamond
2.Shape:core bit
3.Fast drilling
4.OEM offer
5.for metal processing