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Discontinued? Replacement threaded tip for Starrett 18A automatic center punch

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9t8z28

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#1
I know this topic has been beaten to death but I haven’t seen anyone ask where to find screw on replacement tips for the Starrett 18A automatic center punch. When I go to Starretts website I do not see a listing for the screw on tips. It appears as though the old 18A with the screw on tip has been discontinued and the new 18A uses a replacement inserted tip. I see that General makes replacement tips for their own auto center punch but I have read that it is a different size and pitch thread but I cant confirm this.
Does anyone know what the thread size is? If they are unavailable I was wanting to make my own replacment tip. Its hard to see it unused in my toolbox :(
 

9t8z28

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9t8z28

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I found them. I just got off the phone with Starrett customer service and they still offer them but you can only buy them directly from them over the phone. You cannot place an order for them on the Internet. The part number is PT02947 and they are $5 each.
 

MSD0

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I found them. I just got off the phone with Starrett customer service and they still offer them but you can only buy them directly from them over the phone. You cannot place an order for them on the Internet. The part number is PT02947 and they are $5 each.
Thanks for the info. Is that the style with the knurled ring?
 

9t8z28

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Here is a picture of the tips. I got four of them. That should last me a while hopefully. Yes they are knurled. Next is to figure out what thread they are. I had a heckuva time trying to measure the threads inside the shaft but now that I have the Tips it should be no problem.
DE6AFE61-68AF-4C44-A1A1-3DE3659251D7.jpeg
Thanks for the info. Is that the style with the knurled ring?
 

MSD0

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Here is a picture of the tips. I got four of them. That should last me a while hopefully. Yes they are knurled. Next is to figure out what thread they are. I had a heckuva time trying to measure the threads inside the shaft but now that I have the Tips it should be no problem.
View attachment 278495
We have a couple older punches with that style tip. I think the one I have now is the 18-AA.
 
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