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Is this discussion heading to no mandrel turning there is no such thing as a dual purpose precision set when it refers to mandrels unless decent accurate mandrels are used. When talking about hard as bushes they will cause bother with centres both live and dead centres.Personally I dont sand the living daylights of the bushes I use they are made undersize and I measure the finished sizes. Anyone using mandrel savers will need to match their mandrel saver with the proper sized mandrel.

The worst problem used to be brass bushes the carry over of finishing products that reacted with the brass. Enjoying the semantics with word bushes.Meaningless really.

Peter.

[QUOTE="Penpal, post: 228149, member: 122"] Is this discussion heading to no mandrel turning there is no such thing as a dual purpose precision set when it refers to mandrels unless decent accurate mandrels are used. When talking about hard as bushes they will cause bother with centres both live and dead centres.Personally I dont sand the living daylights of the bushes I use they are made undersize and I measure the finished sizes. Anyone using mandrel savers will need to match their mandrel saver with the proper sized mandrel. The worst problem used to be brass bushes the carry over of finishing products that reacted with the brass. Enjoying the semantics with word bushes.Meaningless really. Peter. [/QUOTE]

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