NQ 75mm Diameter Wireline Core Drill Guide Rod High Strength Seamless Steel Pipe
Brand Name:MIROC
Model Number:Core Reaming Shell
Minimum Order Quantity:1 Pieces
Delivery Time:5-7 dyas
Payment Terms:L/C, T/T, Western Union, MoneyGram
Place of Origin:China
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Beijing Beijing China
Address:
Room9-616, No. 10 Zhenxing Road (MDW Plaza), Changping District, 102200 Beijing, China
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Product Details
BQ NQ HQ PQ AQ Hot Selling wireline core drill rod / drill pipe core barrel
Coring barrel is a section of tube in coring drilling, it is attached to the upper part of the drill bit to accommodate and protect the core. It also acts as a guiding tool when drilling. The ordinary core tube is only a seamless steel pipe with thread at both ends, and the diameter is slightly smaller than the diameter of the drill bit (2 to 4 mm). The single core tube is 3 to 4.5 meters long. In order to prevent the bending of the hole, several core tubes can be connected to form a long and large diameter drilling tool.
| QB C series Rod parameter-geological steel pipe-entire length thermal treatment, NC lathe with former cutters | |||||
| Spec. | Unit | BCB | NCB | HCB | PCB |
| OD/ID | mm | 55.6/46 | 71/60 | 89/77.8 | 114.3/101.6 |
| Thickness | mm | 4.8 | 5.5 | 5.6 | 6.35 |
| Length | m | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 |
| Weight | kg/m | 6.01 | 8.8 | 11.51 | 17.3 |
| thread length | mm | 44.45 | 44.45 | 44.45 | 63.5 |
| thread pitch | thread/inch | 3 | 3 | 3 | 2.5 |
| box thread tooth height | mm | 0.76 | 0.76 | 0.76 | 1.17 |
| pin thread tooth height | mm | 0.88 | 0.88 | 0.88 | 1.27 |
| thread tooth angle | . | 29 | 29 | 29 | 29 |
| tensile resistance(A series) | kn | 400 | 530 | 510 | 565 |
| tensile resistance(B series) | kn | 450 | 615 | 625 | 660 |
| bore depth | m | 1200 | 1000 | 900 | 800 |
| RC series Rod parameter-geological steel pipe-entire length thermal treatment, NC lathe with former cutters | |||||
| Spec. | Unit | BRC | NRC | HRC | PRC |
| OD/ID | mm | 55.6/46 | 69.9/60.3 | 88.9/77.8 | 114.3/101.6 |
| Length | m | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 |
| Weight | kg/m | 6.01 | 8.8 | 11.51 | 17.3 |
| thread length | mm | 42 | 42 | 41.91 | 63.5 |
| thread pitch | thread/inch | 3 | 3 | 3 | 2.5 |
| box thread tooth height | mm | 0.76 | 0.76 | 0.76 | 1.17 |
| pin thread tooth height | mm | 0.88 | 0.88 | 0.88 | 1.27 |
| thread tooth negative angle | . | 5 | 5 | 5 | 5 |
| tensile resistance(A) | kn | 450 | 525 | 545 | 565 |
| tensile resistance(B) | kn | 530 | 625.5 | 602 | 660 |
| bore depth | m | ||||
| Process: cutting-upsizing-machining -heat treatment-machining -phosphating-antirust | |||||
| type: connect directly ,coupling, upsizing without coupling | |||||
| Material:30CrMnSiA or 45MnMoB(A grade), XJY850 or BG850( B grade) | |||||
Impregnated diamond core bits specifications
| Core Barrel Specification | Outside Set Diameter | Inside Set Diameter | ||||||
| Maximum | Minimum | Maximum | Minimum | |||||
| inches | mm | inches | mm | inches | mm | inches | mm | |
| AQ | 1.880 | 47.75 | 1.870 | 47.5 | 1.607 | 27.10 | 1.057 | 26.85 |
| BQ | 2.350 | 59.69 | 2.340 | 59.44 | 1.438 | 36.52 | 1.428 | 36.27 |
| NQ | 2.970 | 75.44 | 2.960 | 75.19 | 1.880 | 47.75 | 1.870 | 47.50 |
| HQ | 3.770 | 95.76 | 3.755 | 95.38 | 2.505 | 63.63 | 2.495 | 63.38 |
| PQ | 4.815 | 122.3 | 4.795 | 121.8 | 3.350 | 85.09 | 3.340 | 84.84 |
| T2-101 | 3.981 | 101.12 | 3.971 | 100.8 | 3.300 | 83.82 | 3.290 | 83.57 |
| T6-101 | 3.981 | 101.12 | 3.971 | 100.8 | 3.115 | 79.12 | 3.105 | 78 |
We have other series impregnated core bits
Wireline series: Geobor S, WLA, WLB, WLN, WLH, WLP, WLB3, WLN3, WLH3, WLP3, WLN2, AQ, BQ, NQ, HQ, PQ, SQ, PQ3, HQ3, NQ3, BQ3, NQ2, WL-56, WL-66, WL-76
T2 series: T2 46, T2 56, T2 66, T2 76, T2 86, T2 101
TT series: TT 46, TT 56
T6 series: T6 76, T6 86, T6 101, T6 116, T6 131, T6 146
T6S series: T6S 76, T6S 86, T6S 116, T6S 131, T6S 146
B series: B46, B56, B66, B76, B86, B101, B116, B131, B146
MLC series: NMLC, HMLC
LTK series: LTK48, LTK60
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, HWM
Other sizes: AX, BX, NX, HX, TBW, NQTT, HQTT, TNW, 412F, BTW, TBW, NTW, HTW
Chinese standard: 56mm, 59mm, 75mm, 89mm, 91mm, 108mm, 110mm, 127mm, 131mm, 150mm, 170mm, 219mm, 275mm
Russian standard: 59, 76, 93, 112, 132, 152 mm
We also supply TSP core bits, PDC matrix body core bits, and steel body PDC core bits.
NQ 75mm Diameter Wireline Core Drill Guide Rod High Strength Seamless Steel Pipe
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