Changsha Miracleland Import & Export Co., Ltd |
Changsha Miracleland Import & Export Co., Ltd is a professional
and credible international trade company. We are specialized in
manufacturing and exporting drilling tools and equipment for mining
exploration, soil investigation, water well construction, and
etc.
Miracleland had been making great efforts to develop various
drilling tools to meet the different needs for our customers. The
drilling tools including core bits, diamond core bits, non-coring
bits, reaming shells, casing shoes & casing bits, core barrels,
overshots, drill rods, casing tubes and other drilling tools.
If you need any further information about our any type drilling
tools, please feel free to contact with us, we would be quite
pleased to show all the details you asked for.
Dimensions of the Core Bits:
A-Gauge Core Bits | ||||
Size | Outside diameter | Inside diameter | ||
inch | mm | inch | mm | |
WLA | 1.880/1.870 | 47.75/47.50 | 1.607/1.057 | 27.10/26.85 |
WLA-RSG | 1.895/1.885 | 48.13/47.88 | 1.067/1.057 | 27.10/26.85 |
AWG,AX | 1.880/1.870 | 47.75/47.50 | 1.190/1.180 | 30.23/29.97 |
AWM | 1.880/1.870 | 47.75/47.50 | 1.190/1.180 | 30.23/29.97 |
AWT | 1.880/1.870 | 47.75/47.50 | 1.286/1.276 | 32.66/32.41 |
LTK48 | 1.880/1.870 | 47.75/47.50 | 1.394/1.384 | 35.40/35.15 |
B-Gauge Core Bits | ||||
WLB | 2.350/2.340 | 59.69/59.44 | 1.438/1.428 | 36.52/36.27 |
WLB-RSG | 2.365/2.355 | 60.77/59.82 | 1.438/1.428 | 36.52/36.27 |
WLB-2.400 | 2.045/2.395 | 61.09/60.83 | 1.438/1.428 | 36.52/36.27 |
WLB3 | 2.350/2.340 | 59.69/59.44 | 1.325/1.315 | 33.65/33.40 |
BWG,BX | 2.350/2.340 | 59.69/59.44 | 1.660/1.650 | 42.16/41.91 |
BWM | 2.350/2.340 | 59.69/59.44 | 1.660/1.650 | 42.16/41.91 |
BWT | 2.350/2.340 | 59.69/59.44 | 1.755/1.745 | 44.58/44.32 |
LTK60 | 2.350/2.340 | 59.69/59.44 | 1.742/1.732 | 44.25/44.00 |
TBW | 2.350/2.340 | 59.69/59.44 | 1.785/1.775 | 45.34/45.09 |
N-Gauge Core Bits | ||||
WLN | 2.970/2.960 | 75.44/75.19 | 1.880/1.870 | 47.75/47.50 |
WLN-RSG | 2.985/2.975 | 75.82/75.57 | 1.880/1.870 | 47.75/47.50 |
WLN-3.032 | 3.037/3.027 | 77.14/76.89 | 1.880/1.870 | 47.75/47.50 |
WLN2 | 2.970/2.960 | 75.44/75.19 | 2.000/1.990 | 50.80/50.55 |
WLN2-RSG | 2.985/2.975 | 75.82/75.57 | 2.000/1.990 | 50.80/50.55 |
WLN3,NWLTT | 2.970/2.960 | 75.44/75.19 | 1.780/1.770 | 45.21/44.96 |
WLN3-RSG | 2.985/2.975 | 75.82/75.57 | 1.780/1.770 | 45.21/44.96 |
WLN3-3.032 | 3.037/3.027 | 77.14/76.89 | 1.780/1.770 | 45.21/44.96 |
LMLC | 2.970/2.960 | 75.44/75.19 | 2.052/2.042 | 52.12/51.87 |
NWG, NX | 2.970/2.960 | 75.44/75.19 | 2.160/2.150 | 54.86/54.61 |
NWM | 2.970/2.960 | 75.44/75.19 | 2.160/2.150 | 54.86/54.61 |
NWT | 2.970/2.960 | 75.44/75.19 | 2.318/2.308 | 58.87/58.62 |
TNW | 2.970/2.960 | 75.44/75.19 | 2.394/2.384 | 60.80/60.55 |
H-Gauge Core Bits | ||||
WLH | 3.770/3.755 | 95.76/95.38 | 2.505/2.495 | 63.63/63.38 |
WLH-RSG | 3.790/3.755 | 96.27/95.89 | 2.505/2.495 | 63.63/63.38 |
WLH-3.830 | 3.840/3.825 | 97.54/97.16 | 2.505/2.495 | 63.63/63.38 |
WLH-3.895 | 3.897/3.882 | 98.98/98.60 | 2.505/2.495 | 63.63/63.38 |
WLH3, WLHTT | 3.770/3.755 | 95.76/95.38 | 2.411/2.401 | 61.24/60.99 |
WLH3-RSG | 3.790/3.755 | 96.27/95.89 | 2.411/2.401 | 61.24/60.99 |
WLH3-3.830 | 3.840/3.825 | 97.54/97.16 | 2.411/2.401 | 61.24/60.99 |
WLH3-3.895 | 3.897/3.882 | 98.98/98.60 | 2.411/2.401 | 61.24/60.99 |
HMLC | 3.897/3.882 | 98.98/98.60 | 2.505/2.495 | 63.63/63.38 |
HWF-Long | 3.912/3.897 | 99.36/98.98 | 3.005/2.995 | 76.33/76.08 |
HWF-Short | 3.897/3.882 | 98.98/98.60 | 3.005/2.995 | 76.33/76.08 |
HWG, HX | 3.897/3.882 | 98.98/98.60 | 3.005/2.995 | 76.33/76.08 |
HWM | 3.897/3.882 | 98.98/98.60 | 3.005/2.995 | 76.33/76.08 |
HWT | 3.897/3.882 | 98.98/98.60 | 3.192/3.182 | 81.08/8082 |
P-Gauge Core Bits | ||||
WLP | 4.815/4.795 | 122.30/121.80 | 3.350/3.340 | 85.09/84.84 |
WLP3 | 4.815/4.795 | 122.30/121.80 | 3.275/3.265 | 83.18/82.93 |
PWF-Long | 4.755/4.740 | 120.78/120.40 | 3.635/3.620 | 92.33/91.95 |
PWF-Short | 4.735/4.715 | 120.27/119.76 | 3.635/3.620 | 92.33/91.95 |
S-Gauge Core Bits | ||||
SWF-Long | 5.755/5.740 | 146.18/145.80 | 4.447/4.432 | 112.95/112.57 |
SWF-Short | 5.735/5.715 | 145.67/145.16 | 4.447/4.432 | 112.95/112.57 |
U-Gauge Core Bits | ||||
UWF-Long | 6.880/6.860 | 174.75/174.24 | 5.515/5.495 | 140.08/139.57 |
UWF-Short | 6.855/6.825 | 174.12/173.36 | 5.515/5.495 | 140.08/139.57 |
Z-Gauge Core Bits | ||||
ZWF-Long | 7.880/7.860 | 200.15/199.64 | 6.515/6.495 | 165.48/164.97 |
ZWF-Short | 7.855/7.825 | 199.52/198.76 | 6.515/6.495 | 165.48/164.97 |
T, TT, T2 & TB Series Metric Core Bits | ||||
T36 | 1.422/1.412 | 36.12/35.87 | 0.859/0.849 | 21.82/21.57 |
TT46 | 1.818/1.808 | 46.18/45.92 | 1.394/1.384 | 35.40/35.15 |
T2-46 | 1.818/1.808 | 46.18/45.92 | 1.253/1.243 | 31.82/31.57 |
TB56 | 2.220 | 56.30 | 1.640 | 41.70 |
TT56 | 2.210/2.200 | 56.13/55.88 | 1.788/1.778 | 45.41/45.16 |
T2-56 | 2.210/2.200 | 56.13/55.88 | 1.647/1.637 | 41.83/41.58 |
T2-66 | 2.603/2.593 | 66.12/65.87 | 2.040/2.030 | 51.81/51.56 |
T2-76 | 2.997/2.987 | 76.12/75.87 | 2.434/2.424 | 61.82/61.57 |
T2-76 Coreline | 2.997/2.987 | 76.12/75.87 | 2.288/2.278 | 58.12/57.87 |
T2-86 | 3.391/3.381 | 86.13/85.88 | 2.828/2.818 | 71.83/71.58 |
T2-86 Coreline | 3.391/3.381 | 86.13/85.88 | 2.682/2.672 | 68.13/67.88 |
T2-101 | 3.981/3.971 | 101.12/100.87 | 3.300/3.290 | 83.82/83.57 |
T2-101 Coreline | 3.971/3.971 | 101.12/100.87 | 3.155/3.145 | 80.13/79.88 |
T6 Series Metric Core Bits | ||||
T6-76 | 2.997/2.987 | 76.12/75.87 | 2.249/2.239 | 57.12/56.87 |
T6-86 | 3.391/3.381 | 86.13/85.88 | 2.643/2.633 | 67.13/66.88 |
T6-101 | 3.981/3.971 | 101.12/100.87 | 3.115/3.105 | 79.12/78.87 |
T6-116 | 4.575/4.560 | 116.20/115.82 | 3.667/3.657 | 93.14/92.89 |
T6-131 | 5.165/5.150 | 131.19/130.81 | 4.257/4.247 | 108.13/107.88 |
T6-146 | 5.755/5.740 | 146.18/145.8 | 4.847/4.837 | 123.11/122.86 |
T6S Series Metric Core Bits | ||||
T6S-76 | 3.009/2.999 | 76.43/76.18 | 1.883/1.873 | 47.83/47.58 |
T6S-86 | 3.403/3.393 | 86.43/86.18 | 2.277/2.267 | 57.83/57.58 |
T6S-101 | 3.993/3.983 | 101.43/101.18 | 2.828/2.818 | 71.83/71.58 |
T6S-116 | 4.586/4.571 | 116.48/116.10 | 3.379/3.369 | 85.83/85.58 |
T6S-131 | 5.177/5.162 | 131.48/131.10 | 3.970/3.960 | 100.83/100.58 |
T6S-146 | 5.767/5.752 | 146.48/146.10 | 4.560/4.550 | 115.83/115.58 |
B Series (ISO3552-1) Metric Core Bits | ||||
B36 | 1.422/1.412 | 36.12/35.87 | 0.859/0.849 | 21.82/21.57 |
B46 | 1.818/1.808 | 46.18/45.92 | 1.253/1.243 | 31.82/31.57 |
B56 | 2.210/2.200 | 56.13/55.88 | 1.647/1.637 | 41.83/41.58 |
B66 | 2.603/2.593 | 66.12/65.87 | 2.040/2.030 | 51.81/51.56 |
B76 | 2.997/2.987 | 76.12/75.87 | 2.434/2.424 | 61.82/61.57 |
B86 | 3.391/3.381 | 86.13/85.88 | 2.828/2.818 | 71.83/71.58 |
B101 | 3.981/3.971 | 101.12/100.87 | 3.418/3.408 | 86.82/86.57 |
B116 | 4.575/4.560 | 116.20/115.82 | 4.009/3.999 | 101.83/101.58 |
B131 | 5.165/5.150 | 131.19/130.81 | 4.599/4.589 | 116.82/116.57 |
B146 | 5.755/5.740 | 146.18/145.80 | 5.190/5.180 | 131.82/131.57 |