Impregnated Diamond Core Bits For Drilling Broken Abrasive Sandstone
1 - 5 pcs
MOQ
Impregnated Diamond Core Bits For Drilling Broken Abrasive Sandstone
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Features
Basic Infomation
Brand Name: ROSCHEN
Certification: ISO
Model Number: JTK48
High Light:

Diamond Core Drilling Bits

,

Concrete Core Drill Bit

Payment & Shipping Terms
Supply Ability: 1000 pcs
Specifications
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 .  


 

 

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