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berner

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I need to know what size tap and drill bit to install this {bushing. 1/4"IPMx1/8"IPF ON A

CAST-IRON RADIATOR TO REPAIR AIR VENT HOLE

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  • Drill Size

    Check McMaster Carr  www.mcmaster.com/  on the internet.  Look for the size  tap you need and they usually have the drill size needed for that tap listed with it.

    - Rod
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