Diamond Surface Set Core Bits

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Description

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Diamond Surface Set Core Bits
PQ3 Surface Set Core Bit For Soft Formation Boart Longyear Wireline Diamond Core Drilling
PQ3 surface set diamond core bit, suitable for relatively soft and fractured formations.

Description:
1. Surface set diamond core bit is primarily recommended for use in drilling relatively soft, abrasive, unconsolidated formations that are not effectively drilled by impregnated diamond bit.
2. It is also recommended for use in drilling harder formations where the available rotational speeds and bit loads are insufficient to use impregnated diamond bits due to drilling equipment limitations.
3. In most cases, surface-set diamond bits will provide higher rates of penetration than in softer formations due largely to the greater degree of exposure of the individual diamond crystals.

Q Wireline System

The Roschen™ Genuine Q wireline system represents proven technology in surface and underground applications. Our systems Q, QTK and Q 3 are designed to increase core recovery and productivity in any drilling condition, delivering greater efficiencies and reliability to the driller. Whether drilling a standard DCDMA hole or a project requiring a split tube to retrieve soft, highly fractured formations – the Genuine Q wireline system is proven to perform.

Q Coring Bits

Roschen™ Genuine Q bits are designed to support and operate with our Q wireline systems Q, QTK and Q 3. Roschen™ offers the most accepted bit range in the industry and has dedicated itself to the continued development of diamond bit technology. Our customers see it in our recent designs - such as the patented stage and the new Surface Set XP - they trust us to deliver unmatched productivity year-after-year.

Specifications:

STANDARD SET DIMENSIONS FOR DIAMOND CORE BITS AND REAMING SHELLS
Core Barrel Designation	Core Bit				Core Bit				ReamingShell
	Outside Set Diameter				Inside Set Diameter				Set Diameter
	Maximum		Minimum		Maximum		Minimum		Maximum		Minimum
	Inches	mm	Inches	mm	Inches	mm	Inches	mm	Inches	mm	Inches	mm
EWT(EXT)	1.475	37.46	1.465	37.21	0.91	23.11	0.9	22.86	1.49	37.85	1.48	37.59
IEWS	1.475	37.46	1.465	37.21	1	25.4	0.99	25.15	1.49	37.85	1.48	37.59
EWG	1.475	37.46	1.465	37.21	0.85	21.59	0.84	21.34	1.49	37.85	1.48	37.592
AQ	1.88	47.75	1.87	47.5	1.067	27.1	1.057	26.85	1.895	48.13	1.885	47.88
AQIK	1.88	47.75	1.87	47.5	1.206	30.63	1.196	30.38	1.895	48.13	1.885	47.88
ATW(ADB-GM)	1.88	47.75	1.87	47.5	1.198	30.43	1.188	30.18	1.895	48.13	1.885	47.88
AWT(AXT)	1.88	47.75	1.87	47.5	1.286	32.66	1.276	32.41	1.895	48.13	1.885	47.88
ATK34(AW34)	1.88	47.75	1.87	47.5	1.325	33.66	1.315	33.4	1.895	48.13	1.885	47.88
AXC(AWC3)	1.895	48.13	1.855	47.88	1.067	27.1	1.057	26.85	1.895	48.13	1.885	47.88
JTK48/LTK48	1.88	47.75	1.87	47.5	1.394	35.41	1.384	35.15	1.895	48.13	1.885	47.88
BQ	2.35	59.69	2.34	59.44	1.438	36.53	1.428	36.27	2.365	60.07	2.355	59.82
BQ3	2.35	59.69	2.34	59.44	1.325	33.65	1.315	33.4	2.365	60.07	2.355	59.82
BQTK	2.35	59.69	2.34	59.44	1.606	40.79	1.596	40.54	2.365	60.07	2.355	59.82
BXB(BWC3)	2.365	60.07	2.355	59.82	1.438	36.53	1.428	36.27	2.365	60.07	2.355	59.82
BWG(BX)	2.35	59.69	2.34	59.44	1.659	42.14	1.649	41.88	2.365	60.07	2.355	59.82
NQ	2.97	75,44	2.96	75.18	1.88	47.75	1.87	47.5	2.985	75.82	2.975	75.57
NQ2	2.97	75.44	2.96	75.18	2	50.8	1.99	50.65	2.985	75.82	2.975	75.57
NQ3/NQTT	2.97	75.44	2.96	75.18	1.78	45.21	1.77	44.96	2.985	75.82	2.975	75.57
NWG(NX)	2.97	75.44	2.96	75.18	2.16	54.86	2.15	54.61	2.985	75.82	2.975	75.57
NMLC	2.97	75.44	2.96	75.18	2.052	52.12	2.042	51.87	2.985	75.82	2.975	75.57
HQ	3.77	95.76	3.755	95.38	2.505	63.63	2.495	63.38	3.79	96.27	3.775	95.89
HQ3/HQTT	3.77	95.76	3.755	95.38	2.411	61.24	2.401	60.99	3.79	96.27	3.775	95.89
PQ	4.815	122.3	4.795	121.8	3.35	85.09	3.34	84.84	4.835	120.81	4.82	122.43
PQ3	4.815	122.3	4.795	121.8	3.275	83.19	3.265	82.93	4.835	122.81	4.82	122.43
TT46/LTK46	1.816	46.12	1.806	45.87	1.394	35.41	1.384	35.15	1.828	46.42	1.818	46.17
T2-46	1.816	46.12	1.806	45.87	1.253	31.82	1.243	31.56	1.828	46.42	1.818	46.17
T2-56	2.21	56.12	2.2	55.87	1.647	41.82	1.637	41.56	2.222	56.42	2.212	56.17
T2-66	2.603	66.12	2.593	65.87	2.04	51.82	2.03	51.56	2.615	66.42	2.605	66.17
T2-76	2.997	76.12	2.987	75.87	2.434	61.82	2.424	61.56	3.009	76.42	2.999	76.17
T2-86	3.391	86.12	3.381	85.87	2.828	71.82	2.818	71.56	3.403	86.42	3.393	86.17
T2-101	3.982	101.14	3.97	100.84	3.3	83.82	3.29	83.56	3.994	101.44	3.984	101.19
T6-86	3.391	86.12	3.381	85.87	2.643	67.13	2.633	66.88	3.406	86.51	3.394	86.21
T6-H	3.897	98.98	3.882	98.6	3.115	79.13	3.105	76.88	3.912	99.36	3.902	99.11
T6-101	3.982	101.14	3.97	100.84	3.115	79.13	3.105	78.88	3.996	101.51	3.984	101.21
T6-116	4.575	116.18	4.56	115.8	3.667	93.13	3.657	92.88	4.59	116.59	4.575	116.21
T6-131	5.165	131.18	5.15	130.8	4.257	108.13	4.247	107.88	5.18	131.59	5.165	131.21
T6-146	5.755	146.18	5.74	145.8	4.847	123.13	4.837	122.88	5.772	146.61	5.757	146

FAQ
Q: Are you a manufacturer or trading company?
A: We are a specialized manufacturer.
Q: What are your main products, and used for?
A: Our products include core bit, PDC bit, reaming shell, core barrel, casing, drill rod, SPT equipment, Shelby sampler, drill rig and other drilling parts.
They are used for mineral exploration, geological drilling, geotechnical engineering and soil sampling.
Q: How about the delivery terms?
1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.
2. Min. order quantity: 1 piece.
3. Transportation: By DHL/TNT/Fedex express, air, sea, train.
Q: How about discount?
A: Price is based on products and order quantity.
Q: Do you accept sample order?
A: Yes sure, please contact us for details.
Q: How about your after-sales service? A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.
Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, Roschen always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004.

For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.net ; http://www.roschen.cn
http://www.roschen.com ; http://www.roschengroup.com

ROSCHEN GROUP is professional in manufacturing and supplying quality diamond surface set core bits as one of the leading manufacturers and suppliers in China. We now bring you high quality diamond surface set core bits for sale, competitive in its excellent performance and high precision. Please rest assured to buy.

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