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FW: Pilot hole sizing for Type-F Thread Cutting Screws ? ? ?

Original poster: "Rich" <rdjmgmt@xxxxxxxxxx>




Opps , my first time I put down the size for a 12-24. it should be #25 ,
.1495 for a 10-24 tapped hole. Duh I guess that is why I am retired.

Rich

Type "F", I understand STD threads and type "J" or round root radius
threads but what do you mean for type "F". A standard 10-24 takes a #16
or .177 drill.
	Rich, a machinist for years.

-----Original Message-----
From: Tesla list [mailto:tesla@xxxxxxxxxx]
Sent: Thursday, September 01, 2005 1:16 PM
To: tesla@xxxxxxxxxx
Subject: Pilot hole sizing for Type-F Thread Cutting Screws ? ? ?

Original poster: "Mccauley, Daniel H" <daniel.h.mccauley@xxxxxxxx>


Anyone know what the pilot hole size would need to be to use a 10-24
Type-F Thread Cutting screw.
My handy Machinist Handbook didn't seem to have the info in it (or at
least i couldn't find it)

Thanks
Dan