turning 1/4-20 internal thread - CNCzone.com-The Largest Machinist Community on the net!

Runner4404spd · #1 09-19-2007, 08:02 AM

does any one make a single point threading tool to turn a 1/4-20 thread on an internal surface? it would be ideal if it was a carbide insert tool.

900steve · #2 09-19-2007, 08:47 AM

how about this, but it's not an insert based tool:
http://www.littlemachineshop.com/pro...895&category=8

is tapping the thread not an option?

Runner4404spd · #3 09-19-2007, 09:08 AM

tapping the part would be an option, but i have to make 500 of these so i'd like to automate it as much as possible. i'm running mach 3 on my lathe and i don't know if it has a G code to run a tap.

in2steam · #4 09-20-2007, 02:43 AM

wear on a single point will be hard to control, you would be better off tapping, either with a tapping head or gain control of the spindle. At 500 pcs you will be changing taps or tools either way.

chris

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