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 drill bit
Supply Ability: 500 Piece/Pieces per Month drill bit
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: wooden case 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) With high-precision radial bearing slide, two thrust bearings, bearing palm tooth hard-surfacing alloy layer, roller bearings by running after gold inlaid silver solder to improve the capacity of carrying capacity and anti-bite
2) Ball locking cone, adapted to high speed
3 )The use of 250 degree heat resistant, anti-wear grease new
4)HJ series bit using the world's most advanced technology of metal sealing surface sealing, can be stable at high speed drilling, is the directional wells, ideal for horizontal drilling, and drill than conventional rubber ring seal in the drilling parameters under the same circumstances, the average life expectancy (drilling time) increases 35%
TCL BITS SIZE | API threaded connection | Weight (kg) | |
| in | mm | ||
| 3 1/2 | 88.9 | 2 3/8 | 5.0 |
| 4 5/8 | 117.5 | 2 7/8 | 6.5 |
| 4 3/4 | 120.3 | 2 7/8 | 7.0 |
| 5 1/2 | 139.7 | 3 1/2 | 17.0 |
| 5 7/8 | 149.2 | 3 1/2 | 18.0 |
| 6 | 152.4 | 3 1/2 | 19.5 |
| 6 1/4 | 158.8 | 3 1/2 | 19.5 |
| 6 1/2 | 165.1 | 3 1/2 | 19.5 |
| 6 3/4 | 171.4 | 4 1/2 | 21.0 |
| 7 1/2 | 190.5 | 4 1/2 | 28.0 |
| 7 7/8 | 200.0 | 4 1/2 | 29.5 |
| 8 1/4 | 209.6 | 4 1/2 | 38.0 |
| 8 3/8 | 212.7 | 4 1/2 | 38.0 |
| 8 1/2 | 215.9 | 4 1/2 | 38.0 |