Natural Diamond Surface Set Reaming Shells - 20/30SPC Stone Size, ISO9001 Certified for AQ/BQ/NQ/PQ Drilling Systems
Professional diamond-set reaming shells for core drilling operations. Features natural diamond cutting surfaces, acts as drill bit stabilizer, maintains borehole diameter stability. Available in 5 types including surface set, impregnated, and tungsten carbide. Compatible with multiple drilling systems including T2, T6, and WF series. ISO9001 certified with extended service life.
Place of Origin
CHINA
Size
BQ NQ HQ PQ
Packaging Details
Sea Delivery Package
Color
Black
Material
Natural diamond
Standard
Boart longyear
Product Description
Product Overview
Stabilizer Natural Diamond Surface Set Reamers and Front Reaming Shells are precision drilling components designed to maintain borehole diameter stability and ensure consistent hole sizing during core drilling operations.
Key Features
- Acts as a stabilizer for drill bit alignment
- Set with natural or synthetic diamond cutting surfaces
- Industry-leading quality with specialized design
- ISO9001 certified manufacturing standards
- Extended service life across various geological strata
- Optimized waterways for smooth rock cutting and flushing
Product Function
Reaming Shells connect drill bits with core barrels, reaming holes to precise constant diameters to ensure proper clearance for core barrels and replacement bits. They maintain hole size consistency and improve overall drilling stability when used with core bits.
Available Types
- Surface Set Diamond Type
- Impregnated Diamond Type
- Tungsten Carbide Type
- PCD Type
- Electroplated Diamond Type
Technical Specifications
Compatible Systems
Q Series: AQ, BQ, NQ, PQ (Front end & Back end Type)
T Series: T36, T46, T56, T66, T76, T86
T2 Series: T2 56, T2 66, T2 76, T2 86, T2 101
T6 Series: T6 76, T6 86, T6 101, T6 116, T6 131, T6 146
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
Dimensional Specifications
| Size | Bit O.D. Hole Diameter | Bit I.D. Core Diameter | Reaming Shell O.D. |
|---|---|---|---|
| AWL | 1.870/1.880" (47.50/47.75mm) | 1.057/1.067" (26.85/27.10mm) | 1.885/1.895" (47.88/48.13mm) |
| LTK48 | 1.870/1.880" (47.50/47.75mm) | 1.384/1.394" (35.15/35.41mm) | 1.885/1.895" (47.88/48.13mm) |
| BWL | 2.340/2.350" (59.44/59.69mm) | 1.428/1.438" (36.27/36.53mm) | 2.355/2.365" (59.82/60.07mm) |
| BWL3 | 2.340/2.350" (59.44/59.69mm) | 1.315/1.325" (33.40/33.65mm) | 2.355/2.365" (59.82/60.07mm) |
| NWL | 2.960/2.970" (75.18/75.44mm) | 1.870/1.880" (47.50/47.75mm) | 2.975/2.985" (75.57/75.82mm) |
| NWL2 | 2.960/2.970" (75.18/75.44mm) | 1.990/2.000" (50.65/50.80mm) | 2.975/2.985" (75.57/75.82mm) |
| NWL3 | 2.960/2.970" (75.18/75.44mm) | 1.770/1.780" (44.96/45.21mm) | 2.975/2.985" (75.57/75.82mm) |
| NMLC | 2.960/2.970" (75.00/75.44mm) | 2.042/2.052" (51.87/52.12mm) | 2.975/2.985" (75.50/75.82mm) |
| HWL | 3.755/3.770" (95.38/96.00mm) | 2.495/2.505" (63.38/63.63mm) | 3.775/3.790" (95.89/96.27mm) |
| HWL3 | 3.755/3.770" (95.38/95.57mm) | 2.401/2.411" (60.99/61.24mm) | 3.775/3.790" (95.89/96.27mm) |
| PWL | 4.795/4.815" (121.80/122.30mm) | 3.340/3.350" (84.84/85.09mm) | 4.820/4.835" (122.43/122.81mm) |
| PWL3 | 4.795/4.815" (121.80/122.30mm) | 3.265/3.275" (82.93/83.19mm) | 4.820/4.835" (122.43/122.81mm) |
| T2-76 | 2.987/2.997" (75.87/76.12mm) | 2.424/2.434" (61.56/61.82mm) | 2.999/3.009" (76.17/76.42mm) |
| T2-86 | 3.381/3.391" (85.87/86.12mm) | 2.818/2.828" (71.56/71.82mm) | 3.393/3.403" (86.17/86.42mm) |
| T2-101 | 3.970/3.982" (100.84/101.14mm) | 3.290/3.300" (83.56/84.00mm) | 3.984/3.994" (101.19/101.44mm) |
| T6-101 | 3.970/3.982" (100.84/101.14mm) | 3.105/3.115" (78.88/79.13mm) | 3.984/3.996" (101.21/101.51mm) |
| T6-116 | 4.560/4.575" (115.80/116.18mm) | 3.657/3.667" (92.88/93.13mm) | 4.575/4.590" (116.21/116.59mm) |
| T6-131 | 5.150/5.165" (130.80/131.18mm) | 4.247/4.257" (107.88/108.13mm) | 5.165/5.180" (131.21/131.59mm) |
| T6-146 | 5.740/5.755" (145.80/146.18mm) | 4.837/4.847" (122.88/123.13mm) | 5.757/5.772" (146.23/146.61mm) |
| HMLC | 3.858" (98.00mm) | 2.500" (63.50mm) | 3.878" (98.50mm) |
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