1)5 1/8'' used water well drill bit(manufactory)
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ: 1pc
Port: Tianjin port
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 |
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* asksteel gmail
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