The 75 and ZT Owners Club Forums - View Single Post

RoverP480 · 19th January 2019, 15:26

Just looked up Metric thread tolerancing and depending on the grade the minimum O/D could be 29,522mm, max O/D 29.947mm, so 29.6mm could well be a nominal 30mm

19th January 2019, 15:26	#5
RoverP480 Gets stuck in None at the moment Join Date: Jan 2018 Location: Hereford Posts: 501 Thanks: 1 Thanked 165 Times in 146 Posts	Just looked up Metric thread tolerancing and depending on the grade the minimum O/D could be 29,522mm, max O/D 29.947mm, so 29.6mm could well be a nominal 30mm