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Reamer Tools Helical 100mm Diamond Core Drill Bit for Mineral
Reamer Tools Diamond Core Drill Bits Reaming Shell NQ HQ PQ , Helical Type for protect drill rods exploration core drill
Reamer Tools Diamond Core Drill Bit Reaming Shell NQ HQ PQ , Helical Type for protect drill rod exploration core drilling
Reamer Tools Diamond Core Drill Bits Reaming Shells NQ HQ PQ , Helical Type for protect the drill rods exploration core drilling
| Features: | Natural Or Synthetic Diamond | Material: | Diamond |
| Type: | Core Drill Bit,Construction Tool Parts | Use: | Mineral Exploration,Mineral Exploration |
| Product Name: | Reaming Shells | Machine Type: | Drilling Tools |
Reamer Tools Diamond Core Drill Bits Reaming Shells NQ HQ PQ , Helical Type
Diamond Reaming shells NQ HQ PQ
Reaming shell is set with natural or synthetic diamond, and it is used to couple the drill bit with the core barrel. Its main function is to ream the hole to the correct constant specific diameter which ensures adequate clearance for the core barrel and sufficient clearance for the new bit which replaces an old one. It also acts as a stabilizer for drill bit.
Diamond Reaming Shells are very important reamer tools to be used together with bits in core drilling. Its main functions are maintaining the borehole gage, improving drill rods stability and protecting lower part of drill rod from excessive wear.
Helical type reaming shells provides good passages for water flowing, the matrix is wear proof and its service life is long.
“ROSCHEN” brand has a high reputation in worldwide.
|
Core Barrel Specification |
Reaming Shell |
|||
|
Maximum |
Minimum |
|||
|
lnch |
mm |
lnch |
mm |
|
|
AQ |
1.895 |
48.13 |
1.885 |
47.88 |
|
BQ |
2.365 |
60.07 |
2.355 |
59.82 |
|
NQ |
2.985 |
75.82 |
2.975 |
75.57 |
|
HQ |
3.79 |
96.27 |
3.775 |
95.89 |
|
PQ |
4.835 |
120.81 |
4.82 |
122.43 |
|
T2-101 |
3.994 |
101.44 |
3.984 |
101.19 |
|
T6-101 |
3.996 |
101.51 |
3.984 |
101.21 |
Size Available:
\"Q\" Series: AQ, BQ, NQ, HQ, PQ (Front end & Back end Type)
T Series: T36, T46, T56, T66, T76, T86
WF Series: HWF, PWF, SWF, UWF, ZWF
WT Series: RWT, EWT, AWT, BWT, NWT, HWT (Single Tube/Double Tube)
WG Series: EWG, AWG, BWG, NWG, HWG (Single Tube/Double Tube)
WM Series: EWM, AWM, BWM, NWM
T2/T6 Series: T256, T266, T276, T286, T2101/T676, T686, T6101, T6116, T6131, T6146, T6H
Others: NMLC, HMLC, LTK48, LTK60, TBW, TNW, ATW, BTW, NTW, AQTK
All international standard SIZES.
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