Diamond drill bit for geotechnical exploration

ROSCHEN manufacture and supply Surface set diamond core bit, impregnated diamond core bit, PDC core bit, TSP core bit, electroplated diamond core bit, TC core bit. Some sizes are list as follows (warmly welcome you contact us for more information): T2-76, T2-86, T2-101, B101, B116, B131, T6-101, T6-131, TNW, NMLC, HMLC

Featured Products

ROSCHEN manufacture and supply Surface set diamond core bit, impregnated diamond core bit, PDC core bit, TSP core bit, electroplated diamond core bit, TC core bit. 

Some sizes are list as follows (warmly welcome you contact us for more information): 

T2-76, T2-86, T2-101, B101, B116, B131, T6-101, T6-131, TNW, NMLC, HMLC, AQ, BQ, NQ, HQ, PQ, RW, EW, AW, BW, NW, HW, PW, SW, UW, ZW, HWF, PWF, SWF, UWF, ZWF, EWG, AWG, BWG, NWG, HWG, RWT, EWT, AWT, EWK, AWK, WL/AX, WL/BX, WL/NX, WL/HX. 

 
Wireline diamond core bits specifications
SIZECORE ØHOLE Ø
AQTK35.5 mm (1-3/8 in)48 mm (1-7/8 in)
BQ36.4 mm (1-7/16 in)60 mm (2-3/8 in)
BQTK40.7 mm (1-5/8 in)60 mm (2-3/8 in)
NQ47.6 mm (1-7/8 in)75.7 mm (3 in)
NQTK (NQ2")50.6 mm (2 in)75.7 mm (3 in)
NQ345 mm (1-3/8 in)75.7 mm (3 in)
HQ63.5 mm (2-1/2 in)96 mm (3-3/8 in)
HQ361.1 mm (2-3/8 in)96 mm (3-3/8 in)
PQ385 mm (3-3/8 in)122.6 mm (4-7/8 in)
PQ383 mm (3-1/4 in)122.6 mm (4-7/8 in)
 
Wireline diamond core bits, metricl diamond impregnated drill bits specifications
"Q" series:AQ, BQ, NQ, HQ, PQ/AQTK, BQTK, BQ3, NQ2, NQ3, NQTT, HQ3, HQTT, PQ3, PQTT
A-Gauge Core Bits:AQ, AQ-RSG, AWG(AX), AWM, AWT, LTK48
B-Gauge Core Bits:BQ, BQ-RSG, BQ-2.400, BQ3, BWG(BX), BWM, BWT, LTK60, TBW
N-Gauge Core Bits:NQ, NQ-RSG, NQ-3.032, NQ2, NQ2-RSG, NQ3/NQTT, NQ3-RSG, NQ3-3.032, NMLC, NWG(NX), NWM, NWT, TNW,
H-Gauge Core Bits:HQ, HQ-RSG, HQ-3.830, HQ-3.895, HQ3/HQTT, HQ3-RSG, HQ3-3.895, HMLC, HWF-Long, HWF-Short, HWG(HX), HWT
P-Gauge Core Bits:PQ, PQ3, PWF-Long, PWF-Short
S-Gauge Core Bits:SWF-Long, SWF-Short
U-Gauge Core Bits:UWF-Long, UWF-Short
Z-Gauge Core Bits:ZWF-Long, ZWF-Short
T Series:T36, T46, T56, T66, T76, T86, T101
TT Series:TT46, TT56, TT66, TT76, TT86, TT101
T2 Series:T2 46, T2 56, T2 66, T2 76, T2 86, T2 101
TB Series Metric Core Bits:TB36, TB46, TB56, TB66, TB76, TB86, TB101
T6 Series Metric Core Bits:T6-76, T6-86, T6-101, T6-116, T6-131, T6-146
T6S Series Metric Core Bits:T6S-76, T6S-86, T6S-101, T6S-116, T6S-131, T6S-146
B Series(IS03552-1)Metric Core Bits:B36, B46, B56, B66, B76, B86, B101, B116, B131, B146
All other standard:CDDA, DCDMA, Crealius, and ISO sizes.



FAQ


Q: Are you a manufacturer or trading company?
A: We are a specialized manufacturer.

Q: How about the delivery terms?
1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.
2. Min. order quantity: 1 piece.
3. Transportation: By DHL/TNT/Fedex express, air, sea, train.

Q: How about discount?
A: Price is based on products and order quantity.

Q: Do you accept sample order?
A: Yes sure, please contact us for details.

Q: How about your after-sales service?
A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.

Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, Roschen always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004.
 


For more information please contact:


 
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED 
 
http://roschen.en.made-in-china.com 
http://roschen.en.made-in-china.com 

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