1)3 3/4'' Used tricone rock bits(manufactory)
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ:1 pc
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.: Matrix body or Steel body
Features: 1,API&ISO9001 certification
2,Professional PDC bits manudacture
3,lower price and best quality cutters
Model No.: 46~325mm
Features: HQ Drill bit:
Size: AQ,BQ,NQ,PQ,HQ wire-line diamond core drill bit
Diamond Core drill bit: drill soft ~ hard rock
Model No.: GD
Features: 1.used for oil filed, water well
2.various of model and dimension available
3.rubber seal or metal seal
4.certified by API
Model No.: as your request
Features: 1. manufacturer of PDC bits
2. meet strictly of API &ISO standard
3.good feedbacks of the clients
Model No.: according to your need
Features: 1.Polycrystalline Diamond Compact (PDC)
2.Inserts for high ROP and long bit life
3.High-performance seals and bearings
Model No.: all kinds
Features: 1,API&ISO9001 certification
2,Professional new diamond core bits and PDC bits manudacture
3,lower price
Model No.:
Features: 1.Description:Brad Point Drill Bit
2.Material:HSS
3.Pachaging:Plastic hang pouch
4.Used for drilling wood
Model No.: JSTC
Features: 1.oem products
2.fast drilling speed 7m/h
3.long lifespan 100m/set
4.competitive price
Model No.:
Features: Core Drill Bits Sets
HSS shank twist drill bits,different quality available.
Model No.: GD1306
Features: 1,API&ISO9001 certification
2,Professional PDC bits manudacture
3,lower price
Model No.: GD1606
Features: 1.used for oil filed, water well
2.various of model and dimension available
3.rubber seal or metal seal
4.certified by API
Model No.: GD1305
Features: 1. manufacturer of PDC bits
2. meet strictly of API &ISO standard
3.good feedbacks of the clients