China B146 Impregnated Diamond Core Bits

B146 impregnated diamond core bit is generally used for the B series single tube core barrels.
B series core bits size: B36, B46, B56, B66, B76, B86, B101, B116, B131, B146...
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 Core Bits:

A-Gauge Core BitsSizeOutside diameterInside diameterinchmminchmmAQ1.880/1.87047.75/47.501.607/1.05727.10/26.85AQ-RSG1.895/1.88548.13/47.881.067/1.05727.10/26.85AWG,AX1.880/1.87047.75/47.501.190/1.18030.23/29.97AWM1.880/1.87047.75/47.501.190/1.18030.23/29.97AWT1.880/1.87047.75/47.501.286/1.27632.66/32.41LTK481.880/1.87047.75/47.501.394/1.38435.40/35.15B-Gauge Core BitsBQ2.350/2.34059.69/59.441.438/1.42836.52/36.27BQ-RSG2.365/2.35560.77/59.821.438/1.42836.52/36.27BQ-2.4002.045/2.39561.09/60.831.438/1.42836.52/36.27BQ32.350/2.34059.69/59.441.325/1.31533.65/33.40BWG,BX2.350/2.34059.69/59.441.660/1.65042.16/41.91BWM2.350/2.34059.69/59.441.660/1.65042.16/41.91BWT2.350/2.34059.69/59.441.755/1.74544.58/44.32LTK602.350/2.34059.69/59.441.742/1.73244.25/44.00TBW2.350/2.34059.69/59.441.785/1.77545.34/45.09N-Gauge Core BitsNQ2.970/2.96075.44/75.191.880/1.87047.75/47.50NQ-RSG2.985/2.97575.82/75.571.880/1.87047.75/47.50NQ-3.0323.037/3.02777.14/76.891.880/1.87047.75/47.50NQ22.970/2.96075.44/75.192.000/1.99050.80/50.55NQ2-RSG2.985/2.97575.82/75.572.000/1.99050.80/50.55NQ3,NWLTT2.970/2.96075.44/75.191.780/1.77045.21/44.96NQ3-RSG2.985/2.97575.82/75.571.780/1.77045.21/44.96NQ3-3.0323.037/3.02777.14/76.891.780/1.77045.21/44.96LMLC2.970/2.96075.44/75.192.052/2.04252.12/51.87NWG, NX2.970/2.96075.44/75.192.160/2.15054.86/54.61NWM2.970/2.96075.44/75.192.160/2.15054.86/54.61NWT2.970/2.96075.44/75.192.318/2.30858.87/58.62TNW2.970/2.96075.44/75.192.394/2.38460.80/60.55H-Gauge Core BitsHQ3.770/3.75595.76/95.382.505/2.49563.63/63.38HQ-RSG3.790/3.75596.27/95.892.505/2.49563.63/63.38HQ-3.8303.840/3.82597.54/97.162.505/2.49563.63/63.38HQ-3.8953.897/3.88298.98/98.602.505/2.49563.63/63.38HQ3, WLHTT3.770/3.75595.76/95.382.411/2.40161.24/60.99HQ3-RSG3.790/3.75596.27/95.892.411/2.40161.24/60.99HQ3-3.8303.840/3.82597.54/97.162.411/2.40161.24/60.99HQ3-3.8953.897/3.88298.98/98.602.411/2.40161.24/60.99HMLC3.897/3.88298.98/98.602.505/2.49563.63/63.38HWF-Long3.912/3.89799.36/98.983.005/2.99576.33/76.08HWF-Short3.897/3.88298.98/98.603.005/2.99576.33/76.08HWG, HX3.897/3.88298.98/98.603.005/2.99576.33/76.08HWM3.897/3.88298.98/98.603.005/2.99576.33/76.08HWT3.897/3.88298.98/98.603.192/3.18281.08/8082P-Gauge Core BitsPQ4.815/4.795122.30/121.803.350/3.34085.09/84.84PQ34.815/4.795122.30/121.803.275/3.26583.18/82.93PWF-Long4.755/4.740120.78/120.403.635/3.62092.33/91.95PWF-Short4.735/4.715120.27/119.763.635/3.62092.33/91.95S-Gauge Core BitsSWF-Long5.755/5.740146.18/145.804.447/4.432112.95/112.57SWF-Short5.735/5.715145.67/145.164.447/4.432112.95/112.57U-Gauge Core BitsUWF-Long6.880/6.860174.75/174.245.515/5.495140.08/139.57UWF-Short6.855/6.825174.12/173.365.515/5.495140.08/139.57Z-Gauge Core BitsZWF-Long7.880/7.860200.15/199.646.515/6.495165.48/164.97ZWF-Short7.855/7.825199.52/198.766.515/6.495165.48/164.97T, TT, T2 & TB Series Metric Core BitsT361.422/1.41236.12/35.870.859/0.84921.82/21.57TT461.818/1.80846.18/45.921.394/1.38435.40/35.15T2-461.818/1.80846.18/45.921.253/1.24331.82/31.57TB562.22056.301.64041.70TT562.210/2.20056.13/55.881.788/1.77845.41/45.16T2-562.210/2.20056.13/55.881.647/1.63741.83/41.58T2-662.603/2.59366.12/65.872.040/2.03051.81/51.56T2-762.997/2.98776.12/75.872.434/2.42461.82/61.57T2-76 Coreline2.997/2.98776.12/75.872.288/2.27858.12/57.87T2-863.391/3.38186.13/85.882.828/2.81871.83/71.58T2-86 Coreline3.391/3.38186.13/85.882.682/2.67268.13/67.88T2-1013.981/3.971101.12/100.873.300/3.29083.82/83.57T2-101 Coreline3.971/3.971101.12/100.873.155/3.14580.13/79.88T6 Series Metric Core BitsT6-762.997/2.98776.12/75.872.249/2.23957.12/56.87T6-863.391/3.38186.13/85.882.643/2.63367.13/66.88T6-1013.981/3.971101.12/100.873.115/3.10579.12/78.87T6-1164.575/4.560116.20/115.823.667/3.65793.14/92.89T6-1315.165/5.150131.19/130.814.257/4.247108.13/107.88T6-1465.755/5.740146.18/145.84.847/4.837123.11/122.86T6S Series Metric Core BitsT6S-763.009/2.99976.43/76.181.883/1.87347.83/47.58T6S-863.403/3.39386.43/86.182.277/2.26757.83/57.58T6S-1013.993/3.983101.43/101.182.828/2.81871.83/71.58T6S-1164.586/4.571116.48/116.103.379/3.36985.83/85.58T6S-1315.177/5.162131.48/131.103.970/3.960100.83/100.58T6S-1465.767/5.752146.48/146.104.560/4.550115.83/115.58B Series (ISO3552-1) Metric Core BitsB361.422/1.41236.12/35.870.859/0.84921.82/21.57B461.818/1.80846.18/45.921.253/1.24331.82/31.57B562.210/2.20056.13/55.881.647/1.63741.83/41.58B662.603/2.59366.12/65.872.040/2.03051.81/51.56B762.997/2.98776.12/75.872.434/2.42461.82/61.57B863.391/3.38186.13/85.882.828/2.81871.83/71.58B1013.981/3.971101.12/100.873.418/3.40886.82/86.57B1164.575/4.560116.20/115.824.009/3.999101.83/101.58B1315.165/5.150131.19/130.814.599/4.589116.82/116.57B1465.755/5.740146.18/145.805.190/5.180131.82/131.57