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| Applications: 1-1/4"-7 male thread to 1-1/4"-7 female thread. |
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| Features: This extension shaft is for use on core drill machines and dry core bits with 1-1/4"-7 threaded. Easily to extend the drilling depth to 6" or 12" deep. |
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Some sizes may be unavailable. We do not have an ETA at this time due to tariffs and anti-dumping duties.
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Item No |
Shaft Size |
Thread Size |
| EXT-6W |
6" |
1-1/4"-7 |
| EXT-12W |
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