flat bottom 3/8-10 tap

?? Not busting your balls but, If you don't have a lathe what are you doing that would require needing a tap? Are you trying to make an existing shaft threads deeper?
 
Chris Byrne said:
?? Not busting your balls but, If you don't have a lathe what are you doing that would require needing a tap? Are you trying to make an existing shaft threads deeper?
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we all gotta start somewhere right........lol

i'm kidding. it's for a local cue maker.
 
I am not sure if your cuemaker wants a flat bottom thread pitch or a bottoming tap. I have not seen flat bottom thread pitch taps. I am not sure what you would need it ground that way for. The hole you drilled already provides the flat bottom. He only needs a regular 3/8-10 tap to install the 3/8-10 flat minor diameter pins or to make shafts for one. If he needs a bottoming tap just grind the end of a 3/8-10 plug style tap to get rid of the plug style tapered lead in.
 
cueman said:
I am not sure if your cuemaker wants a flat bottom thread pitch or a bottoming tap. I have not seen flat bottom thread pitch taps. I am not sure what you would need it ground that way for. The hole you drilled already provides the flat bottom. He only needs a regular 3/8-10 tap to install the 3/8-10 flat minor diameter pins or to make shafts for one. If he needs a bottoming tap just grind the end of a 3/8-10 plug style tap to get rid of the plug style tapered lead in.
Click to expand...

oh so this is more complicated then just buying another tap. ok back to the drawing board
 
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