Good Quality Button Drill Bits - Concentric Casing System – TDS

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No matter new customer or old customer, We believe in long term and trusted relationship for Bw Casing Factory, Air Compressor For Sale, China Drilling Rod Suppliers, Good quality, timely service and Competitive price, all win us a good fame in xxx field despite the international intense competition.

Good Quality Button Drill Bits - Concentric Casing System – TDS Detail:

A driver bit and a ring are assembled to a complete concentric system bit which is suit for 114-1067mm diameter tube.

Advantage:

1. Enhance penetration and perpendicularity
2. Reduce torque requirements
3. Deal with straight, oblique hole and other angle holes
4. Lowest effect with environment
External dia.(mm): 125/155/188/215/238/276/293/345/375/432…1090
Casing dia.(OD*ID,mm): 114*102/139*127/168*153/194*181…1067*1041

Outer Dia Of Casing Tube (mm)	Inner Dia Of Casing Tube(mm)	Reamed Dia(mm)	Min Inner Dia Of Casing Shoe(mm)	Drill Pipes(mm)	Max.Outer Dia of Normal Bit(mm)
114	101-103	127	91	76	77
127	114-116	136	101	76	82
140	124-127	152	117	76	92
146	127-132	154	117	76	105
168	149-155	184	140	76	105
178	159-165	194	150	76.89	125
193	173-180	206	164	76.89	140
219	199-206	234	184	89.114	150
244	224-231	260	210	89.114	165
273	251-257	305	240	114	190
323	301-310	348	284	114.127	220
406	382-388	440	364	127	255
457	433-439	488	413	140	340
508	484-490	538	464	140	385
558	534-540	590	514	140	440
610	586-592	642	566	140	485
660	636-642	694	615	168	540
711	687-693	745	665	168	590
762	738-744	798	716	168	640
863	839-845	900	815	168	685

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Our commission should be to provide our end users and clients with very best excellent and aggressive portable digital products and solutions for Good Quality Button Drill Bits - Concentric Casing System – TDS , The product will supply to all over the world, such as: Florida, Juventus, Hamburg, Our items have been obtained more and more recognition from foreign clients, and established long term and cooperative relationship with them. We`ll supply the best service for every customer and sincerely welcome friends to work with us and establish the mutual benefit together.

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We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.

By Novia from Italy - 2018.06.28 19:27

The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!

By Delia from Bangladesh - 2018.12.25 12:43

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