I have used this jig very successfully and it certainly works. The only drawback is that you must set it up using an adjacent hammer that has the correct bore. It may be faster than using a wetting solution but that might be debatable. Both methods work very well. Norm Barrett Memphis Chapter. LTpianoman@AOL.COM wrote: > Mark, > I have the APSCO hammer head and butt boring jig, page 20, part # 16175. I > haven't used it yet, but I've seen it used and once it is learned, it is very > effective.
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