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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 4C |
Core barrels and accessories
4C Core barrels and accessories for exploration core drilling
Roschen now offers a comprehensive range of core barrels and accessories for the exploration and construction industries.
Features and values:
1. Thin kerf wire line systems - Improved penetration, larger core size, less feed pressure, pump-in system suitable for up-holes.
Core sizes available from 29 mm to 80 mm.
B60 system compatible with B-size wire line rods (core size 39 mm).
2. Thin kerf conventional systems - LTK48 (35.9 mm core) and LTK60 (43.9 mm core) compatible with AWJ and BWJ drill strings.
3. Double tube and tripple tube wire line systems. Compatible with A,B,N,H and P rod sizes. Core sizes from 27 mm upto 85 mm.
4. Conventional systems - BMLC, NMLC, HMLC, 3C, 4C, 6C and 8C. Core sizes from (35.2 mm) (203.2 mm / 8 inch).
5. Comprehensive range of accessories. including swivels, lifting plugs, adaptor subs, tube wrenches.
System
| Size | Hole diameter | Core diameter |
| mm (in) | mm (in) | |
| A | 48 (1.889") | 27 (1.062") |
| WL46 | 47 (1.850") | 28.8 (1.133") |
| TK48 | 48.5 (1.909") | 35.4 (1.393") |
| B | 59.9 (2.358") | 36.4 (1.432") |
| WL56 | 56.8 (2.236") | 41.2 (1.622) |
| TK60 | 60 (2.362") | 43.9 (1.728") |
| N3 | 75.7 (2.980") | 45.09 (1.775") |
| N | 75.7 (2.980") | 47.6 (1.875") |
| WL66 | 67.1 (2.641") | 50.5 (1.988") |
| N2 | 75.7 (2.980") | 50.7 (2.000") |
| WL76 | 76.3 (3.003") | 57.5 (2.263") |
| H3 | 96.1 (3.783") | 61.1 (2.406") |
| H | 96.1 (3.783") | 63.5 (2.500") |
| WL103 | 102.8 (4.047") | 80 (3.149") |
| P3 | 122.6 (4.826") | 83 (3.270") |
| P | 122.6 (4.826") | 85 (3.345") |
FAQ
Terms & Conditions of Ordering:
1. Payment Terms:
T/T (Telegraphic Transfer) or Western Union
2. Delivery Term:
Based on order quantity, normally it takes 10 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Transportation:
Sample order: we suggest Courier express or by air
Bulk order: we suggest by air or by sea.
4. Quality & Service:
A. There will be strict inspection and testing for every order before shipping out.
B. Our sales team and Technical Support will response for your question within 24 hours through skype: ROSCHEN.TOOL and WhatsApp/Wechat: +86-13764195009
C. Free replacement will provide once the failure confirmed caused or our product quality; Not satisfied with a refund.
For more information please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
http://www.roschenmining.com ; http://www.roschendrilling.com
http://www.roschengroup.com
Contact Us at Any Time
