Lackmond 138CBEXTTUBE - PRODUCTS 1 3/8"x12" Core Bit Extend-A-TubeThe Extend-A-Tube Wet Drilling Core Bit System allows for quick and easy extended depth drilling applications. The precision machined Thread-On Caps add an additional 12" to the drill tube length to achieve optimum depth. The machined cap-to-tube connection ensures that bits run correctly and eliminates lateral run-out due to improperly seated or unevenly welded bit caps. Additional 12" tube extensions can be quickly threaded on to extend the standard bit length of 15" to an impressive 27" capacity with just one tube connection.
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