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Tap size for grease nipple used on MK1 Cooper swivel hubs

Posted: Thu Nov 15, 2012 4:29 am
by 62Countryman
I need to fix one of my swivel hubs. One of the grease nipple holes needs to be re-threaded. What is the correct TAP size?

Re: Tap size for grease nipple used on MK1 Cooper swivel hub

Posted: Thu Nov 15, 2012 7:59 am
by Spider
1/4" UNF.