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| Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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bottoming tap, when to use?
On Wed, 19 Mar 2014 12:25:25 -0400, Randy333
wrote: Maybe I'm just old school, but I was taught never to start threading with a bottom tap. Use plug or taper first then finish with a bottom tap. But as I am shopping for 1/4-20 taps with sprial flutes it seems bottom stlye is most popular. Can I really run a bottom tap into steel? VMC with rigid tapping and flood coolant. I usually buy modified bottoming if I can. Plug seems even harder to find. Remove 333 to reply. Randy =============== http://www.use-enco.com/CGI/INPDFF?P...PARTPG=INLMK32 also http://www.use-enco.com/CGI/INPDFF?P...PARTPG=INLMK32 -- Unka' George "Gold is the money of kings, silver is the money of gentlemen, barter is the money of peasants, but debt is the money of slaves" -Norm Franz, "Money and Wealth in the New Millenium" |
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