Horizontal mill overarm material source

Hello folks,

I wonder if anyone knows a source of 42mm diameter ground bar in roughly metre lengths, suitable for a horizontal mill overarm?

I bought an arbor that is too long for my existing overarms, hence they need to be extended/replaced.

Thanks very much.

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John Montrose
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Scrap bench drill columns? little 'uns. Usually tubular, but maybe stiff enough? Ground stock is pricey if you have to buy any. HTH, Scruff.

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