TheAndroid wrote in message
ups.com...
I've tried them all. Lautard's toolmaker's, Gingery's "d-bit" ,
Duplex's D-bit and professionally made reamers. The only one which make
a hole sized "correctly" for a given diameter of drill rod is the
professional one. The one's I make are making holes which are too
small. I somehow have managed to make W2 shrink in heat treatment!

How about making your D bit reamers a thou oversize, ream a trial bore,
measure it and then polish the cutting end down accordingly until it cuts to
size?
--
Dave Baker
www.pumaracing.co.uk


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