centered on a tool

[Joe & Penny Goss]

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Hi all,
In measuring center pins I have discovered that my pins do not always =
increase  in increments of .001=20
They go #18 is .046#18.5 is .047     #19 is .048     19.5 is 49     #20 =
is 50    # 20.5 is 51      # 21 is 52     #21.5 is 53    # 22 is 54.
I do not have any 22.5  pins but presume that they are .055 becuase =
#23's are .056 and no #23.5 pins and wonder the size for the #24 pins =
are.059 No #24.5 and then #25 is .063 and no #25.5 and the last pin size =
26 is .066
The break in size progression seems to be between size #23.5  and size =
#24
Question 1. are my missing center pin sizes available?   #22.5,   23.5 =
and 24.5?
                 2. are these larger sizes used by many? {#22 and =
larger}
                 3.At what size do you deide to rebush rather than =
repin?
                 4. If larger accurate reamers were available would you =
think of using a larger pin size?
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com

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