China OEM Hss Drill Bits - Replaceable Sleeve Stabilizer – LUQI
China OEM Hss Drill Bits - Replaceable Sleeve Stabilizer – LUQI Detail:
Replaceable sleeve stabilizer consists of mandrel and sleeve. The function is the same as spiral integral blade stabilizer. It can suit to different hole size and increase working life by changing the different size sleeve. The sleeve is threaded on the mandrel, so the sleeve can be fasten to the mandrel tightly and changed easily.
Working outside diameter OD mm(inch) |
Salvage diameter OD mm(inch) |
Upper end |
Lower end |
Hole ID mm(inch) |
Neck length mm(inch) |
Total length mm(inch) |
Remarks |
149.2 (5 7/8) |
120.7 (4-3/4) |
NC38 |
NC38 |
50.8(2) |
559(22) |
1372 (54) |
Drill string type |
31/2REG |
Near bit type |
||||||
152 (6) |
120.7 (4-3/4) |
NC38 |
NC38 |
50.8(2) |
559(22) |
1372 (54) |
Drill string type |
31/2REG |
Near bit type |
||||||
215.9(8-1/2) |
165 (6-1/2) |
NC50 |
NC50 |
71.4 (2-13/16) |
686(27) |
1676(66) |
Drill string type |
41/2REG |
Near bit type |
||||||
311.15(12-1/4) |
203(8) |
6-5/8 REG |
6-5/8 REG |
71.4 (2-13/16) |
610(24) |
1550(61) |
Drill string type |
Near bit type |
|||||||
444.5(17-1/2) |
229(9) |
7-5/8 REG |
7-5/8 REG |
76.5(3) |
686(27) |
1702(67) |
Drill string type |
Near bit type |
|||||||
660.4 (26) |
241.3 (9 1/2) |
7-5/8 REG |
7-5/8 REG |
76.5(3) |
660(26) |
1930(76) |
Drill string type |
Near bit type |
|||||||
711.2(28) |
241.3 (9 1/2) |
7-5/8 REG |
7-5/8 REG |
76.5(3) |
686(27) |
1981(78) |
Drill string type |
Near bit type |
Product detail pictures:


Related Product Guide:
Design Theory of Stator and Rotor of PDM Based on Rack Gearing Principle
Well-run products, skilled income group, and better after-sales products and services; We have been also a unified massive family, all people stick with the business price "unification, dedication, tolerance" for China OEM Hss Drill Bits - Replaceable Sleeve Stabilizer – LUQI , The product will supply to all over the world, such as: Guatemala, Botswana, Hamburg, Due to our good goods and services, we've received good reputation and credibility from local and international customers. If you will need more information and are interested in any of our solutions, be sure to feel free to contact us. We look forward to becoming your supplier in the near future.

The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
