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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HWL HWL-U Ezy lock wireline overshot mineral exploration geotechnical drilling
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When the inner-tube is full, a device called an overshot is lowered down the hole via a wireline cable and brought to the surface by use of a winch.
Once the inner-tube assembly is at the surface, an empty inner tube is lowered into the hole so drilling can resume
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.
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HWL Overshot Assembly | |||
| Item | Part # | Description | |
| 1-24 | 3546750 | HWL 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, HWL | |
| 8 | 3540516 | Jar Staff, HWL | |
| 9 | 3540515 | Jar Tube, HWL | |
| 10 | 44524 | Hex Nut, 3/4" UNC | |
| 11 | 3548178 | Nord-Lock Washer, 3/4" | |
| 12 | 3544103 | Over-Shot Cap, HWL | |
| 13 | 3544105 | Over-Shot Spring, HWL | |
| 14 | 3546745 | Over-Shot Sleeve, HWL | |
| 15 | 6951 | Compression Spring | |
| 16 | 3543772 | Ball, 11/32" | |
| 17 | 3546748 | Over-Shot Head, HWL | |
| 18 | 3542027 | Lifting Dog Spring | |
| 19 | 3540529 | Lifting Dog, HWL | |
| 20 | 3540528 | Plain Pin 1/2" x 2-1/8" | |
| 21 | 24307 | Coiled Pin, 1/4" x 2" | |
| 22 | 3546747 | Locking Pin | |
| 23 | 3545073 | Nylok Set Screw, 3/8" x 3/4" | |
| 24 | 15965 | Locking Sleeve, HWL | |
Note:
*HWL-U overshot is available