Impregnated Diamond Core Bits For Drilling Broken Abrasive Sandstone

Price Negotiable

Price: Negotiable

MOQ: 1 - 5 pcs

Delivery Time: Negotiable

Brand: ROSCHEN

Product Description

JTK48 Impregnated Diamond Core Bits For Drilling Broken Abrasive Sandstone

Introduction:

The main technical parameters of impregnated diamond core bits include diamond type, size, concentration and diamond grade, matrix hardness and crown shapes etc. If users can make rational selections according to the rock formations, then they can get satisfied drilling performance on various formations with different hardness. To avoid excessive bit wear, diamond tungsten carbide inserts are used on both sides of the waterway and the larger diamonds are used on the inside and outside.

Specifications:

STANDARD SET DIMENSIONS FOR DIAMOND CORE BITS AND REAMING SHELLS
Core Barrel Designation	Core Bit				Core Bit				Reaming Shell
	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
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

f you have any special size requiments, please contact us via roschen@roschen.com .