425m steel

Joined
Apr 22, 2008
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101
I just was reading the thread about the 425m steel.
Just wondering wich year Buck has changed the 440C, to 425m in there production line? As per Joe data sheet they finished to use it in 1992,but wich year the started to use it?
Thanks for any reply!!
 
1981 is the first they used it and it as why the 4th dot wasa added
also when all 110 blades were full hollow ground
 
The old info. sheets do state 1993.Joe has since updated those to read, 1992 was the last year 425M was used.June 2009 Newsletter.DM
 
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