Factory directly Ground Cross Drill Bit - Replaceable Sleeve Stabilizer – LUQI
Factory directly Ground Cross Drill Bit - 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:

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Our mission will be to grow to be an innovative supplier of high-tech digital and communication devices by giving worth added design and style, world-class production, and service capabilities for Factory directly Ground Cross Drill Bit - Replaceable Sleeve Stabilizer – LUQI , The product will supply to all over the world, such as: United States, luzern, Peru, We are eager to cooperate with foreign companies which care much on the real quality, stable supply, strong capability and good service. We can offer the most competitive price with high quality,because we are much MORE PROFESSIONAL. You are welcomed to visit our company at any time.

Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
