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85 mm Diamond Core Drill Bits For Rock , Diamond Impregnated Drill Bits

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Description

85 mm Diamond Core Drill Bits For Rock , Diamond Impregnated Drill Bits ? Specifications 1. available in all standard drilling sizes (A,B,N,P,H).
2. various waterways design.
3. long bit life and good performance.
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Product Description ?
To select the right bit for the job, assess the speed and power of your drill for the size and depths of the holes to be drilled and assess ground conditions such as rock type/formation and down-hole conditions.

Size: Our company& acute;s bits are available in all standard drilling sizes . Also, non-standard sized bits can be produced according to requirements from clients.
Martrix Height: we offers crown impreg depths of 9mm, 12mm, 16mm? .The taller crown heights provide improved bit stability and reduced vibrations, enhancing bit life and performance.
Waterways: Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems.

Threads:

standard threads as well as regional thread types required by clients are available.

Compatibility:

Our diamond bits and reaming shells are designed to be compatible with all standard core barrels from other suppliers.

Non-standard also can be made as your requirement.

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Application

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Our impregnated bits matrices can be selected according to the chart below

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Series Number | Name of Rock |
1 | sand, soft shale, chalk, marly shale, med-hard limestone ,salt,frozen soil&ice,soft sandstone,sandy shale,claystone,sandy limestone,soft schist |
2-3 | soft shale,chalk,marly shale,med-hard limestone,salt,frozen soil&ice,soft sandstone,sandy shale,claystone,sandy limestone,soft schist,med-hard sandstone,siltstone,alluvial deposits,calcitic limestone |
4-5 | claystone,sandy limestone,soft schist,med-hard sandstone,siltstone,alluvial deposits,calcitic limestone,med-hard limestone,hard limestone,hard shale,dolomitic limestone |
6-7 | med-hard limestone,hard limestone,hard shale,dolomitic limestone,schist,serpentine,hard & mica schist,siliceous limestone,dolomite,marble,peridotite |
7-8 | dolomitic limestone,schist,serpentine,hard & mica schist,siliceous limestone,dolomite,marble,peridotite,andesite,pegmatite,hematite |
8 | dolomite,marble,peridotite,andesite,pegmatite,hematite,magnetit,metamorph schist,gneiss,granite,basalt |
9-10 | andesite,pegmatite,hematite,magnetit,metamorph schist,gneiss,granite,basalt,gabbro,rhyolite,diorite |
10-11 | magnetit,metamorphschist,gneiss,granite,basalt,gabbro,rhyolite,diorite,conglomerate,taconite |
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Technical Parameters:

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SIZE | BIT OD Hole Diameter | BIT ID Core Diameter |
inches | mm | inches | mm |
AQ | 1.870/1.880 | 47.50/47.75 | 1.057/1.067 | 26.85/27.10 |
BQ | 2.340/2.350 | 59.44/59.69 | 1.428/1.438 | 36.27/36.53 |
BQ3 | 2.340/2.350 | 59.44/59.69 | 1.315/1.325 | 33.40/33.65 |
NQ | 2.960/2.970 | 75.18/75.44 | 1.870/1.880 | 47.50/47.75 |
NQ2 | 2.960/2.970 | 75.18/75.44 | 1.990/2.000 | 50.65/50.80 |
NQ3 | 2.960/2.970 | 75.18/75.44 | 1.770/1.780 | 44.96/45.21 |
HQ | 3.755/3.770 | 95.38/96.00 | 2.495/2.506 | 63.38/63.63 |
HQ3 | 3.755/3.770 | 95.38/95.57 | 2.401/2.411 | 60.99/61.24 |
PQ | 4.795/4.815 | 121.80/122.30 | 3.340/3.350 | 84.84/85.09 |
PQ3 | 4.795/4.815 | 121.80/122.30 | 3.265/3.275 | 82.93/83.19 |
T36 | 1.412/1.422 | 35.87/36.12 | 0.849/0.859 | 21.57/21.82 |
TB56 | 2.220 | 56.3 | 1.640 | 41.70 |
TT46 | 1.808/1.818 | 45.92/46.18 | 1.384/1.394 | 35.15/35.40 |
TT56 | 2.200/2.210 | 55.88/56.13 | 1.778/1.788 | 45.16/45.41 |
T2 46 | 1.808/1.818 | 45.92/46.18 | 1.243/1.253 | 31.57/31.82 |
T2 56 | 2.200/2.210 | 55.88/56.13 | 1.637/1.647 | 41.58/41.83 |
T2 66 | 2.593/2.603 | 65.87/66.12 | 2.030/2.040 | 51.56/51.81 |
T2 76 | 2.987/2.997 | 75.87/76.12 | 2.424/2.434 | 61.57/61.82 |
T2 86 | 3.381/3.391 | 85.88/86.13 | 2.818/2.828 | 71.58/71.83 |
T2 101 | 3.971/3.981 | 100.87/101.12 | 3.290/3.300 | 83.57/83.82 |
T6 76 | 2.987/2.997 | 75.87/76.12 | 2.239/2.249 | 56.87/57.12 |
T6 86 | 3.381/3.391 | 85.88/86.13 | 2.633/2.643 | 66.88/67.13 |
T6 101 | 3.971/3.981 | 100.87/101.12 | 3.105/3.115 | 78.87/79.12 |
T6 116 | 4.560/5.575 | 115.82/116.20 | 3.657/3.667 | 92.89/93.14 |
T6 131 | 5.150/5.165 | 130.81/131.19 | 4.247/4.257 | 107.88/108.13 |
T6 146 | 5.740/5.755 | 145.80/146.18 | 4.837/4.847 | 122.86/123.11 |
B36 | 1.412/1.422 | 35.87/36.12 | 0.849/0.859 | 21.57/21.82 |
B46 | 1.808/1.818 | 45.92/46.18 | 1.243/1.253 | 31.57/31.82 |
B56 | 2.200/2.210 | 55.88/56.13 | 1.637/1.647 | 41.83/41.58 |
B66 | 2.593/2.603 | 65.87/66.12 | 2.030/2.040 | 51.56/51.81 |
B76 | 2.987/2.997 | 75.12/76.12 | 2.424/2.434 | 61.57/61.82 |
B86 | 3.381/3.391 | 85.88/86.13 | 2.818/2.828 | 71.58/71.83 |
B101 | 3.971/3.981 | 100.87/101.12 | 3.408/3.418 | 86.57/86.82 |
B116 | 4.560/4.575 | 115.82/116.20 | 3.999/4.009 | 101.58/101.83 |
B131 | 5.150/5.165 | 130.81/131.19 | 4.589/4.599 | 116.57/116.82 |
B146 | 5.740/5.755 | 145.80/146.18 | 5.180/5.190 | 131.57/131.82 |
NMLC | 2.960/2.970 | 75.19/75.44 | 2.042/2.052 | 51.87/52.12 |
HMLC | 3.882/3.897 | 98.60/98.98 | 2.495/2.505 | 63.38/63.63 |
LTK48 | 1.870/1.880 | 47.50/47.75 | 1.384/1.394 | 35.15/35.40 |
LTK60 | 2.340/2.350 | 59.44/59.69 | 1.732/1.742 | 44.00/44.25 |
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