CGE Group Wuxi Drilling Tools Co., Ltd.
A leading manufacturer in China for suppling drilling tools for mineral exploration and geotechnical drilling indutries, also the Strategic Partner of Atlas Copco/ Epiroc since the year of 2012 (XZ is
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NWL NWL-U surface drilling wireline overshot mineral exploration geotechnical drilling
NQ BQ HQ PQ BQU NQU HQU NQ3 HQ3 PQ3
A Overshot is available for each size of core barrel. This is the retrieval device lowered on the wireline to recover the inner tube assembly containing core.
| NWL Overshot Assembly | |||
| Item | Part # | Description | |
| 1-24 | 3546744 | NWL Overshot Assembly | |
| 1 | 25991 | Eye Bolt | |
| 2 | 25990 | Cable Swivel Collar | |
| 3 | 25986 | Thrust Bearing | |
| 4 | 25985 | Castle Hex Nut, 1/2" UNF | |
| 5 | 44615 | Cotter Pin, 3/32" x 3/4" | |
| 6 | 17447 | Hydraulic Grease Fitting | |
| 7 | 44444 | Cable Swivel Body, NWL | |
| 8 | 3540516 | Jar Staff, NWL | |
| 9 | 3540515 | Jar Tube, NWL | |
| 10
| 44524 | Hex Nut, 3/4" UNC | |
| 11 | 3548178 | Nord-Lock Washer, 3/4" | |
| 12 | 3544103 | Over-Shot Cap, NWL | |
| 13 | 3544105 | Over-Shot Spring, NWL | |
| 14 | 3546745 | Over-Shot Sleeve, NWL | |
| 15 | 3545053 | Compression Spring | |
| 16 | 3543772 | Ball, 11/32" | |
| 17 | 3546746 | Over-Shot Head, NWL | |
| 18 | 3542027 | Lifting Dog Spring | |
| 19 | 3540529 | Lifting Dog, NWL | |
| 20 | 42906 | Plain Pin 1/2" x 1-15/16" | |
| 21 | 37394 | Coiled Pin, 1/4" x 1-3/4" | |
| 22 | 3546747 | Locking Pin | |
| 23 | 3545073 | Nylok Set Screw, 3/8" x 3/4" | |
| 24 | 15965 | Locking Sleeve, NWL | |
Note:
*NWL-U overshot is also available