what size?

stoney43 Active Member Posts: 23	what size? May 10, 2009 9:05:35 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by stoney43 on May 10, 2009 9:05:35 GMT drawing says mark out the 2 holes 6-32?? and then again 1 hole 3-48?? looks as though 4mm would do the trick but never come across this before. any experts out there to enlighten me. dave,
	getting there with Rob Roy beam engine, perseus, Gauge 1 chassis, a couple of tools for the lathe and a small power saw.

alanstepney Supervisor RIP Posts: 2,494	what size? May 10, 2009 9:19:31 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by alanstepney on May 10, 2009 9:19:31 GMT Standard American threads. The data for them is at: www.alanstepney.info/page80.html

Shawki Shlemon Elder Statesman Posts: 2,932	what size? May 10, 2009 9:21:41 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Shawki Shlemon on May 10, 2009 9:21:41 GMT These are American threads , 6-32 is gauge 6 , 32 threads per inch , its equivalent to 4 BA , in metric will be 3.5. 3-48 is gauge 3 , 48 threads per inch .is close to 7BA , in metric will be 2.5. I hope this is of help.
	Regards Shawki sites.google.com/site/shlemonsteammodel/

stoney43 Active Member Posts: 23	what size? May 10, 2009 10:52:22 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by stoney43 on May 10, 2009 10:52:22 GMT thanks for the quick replies alan and shawki will change to ba now back to the shed! thanks again dave
	getting there with Rob Roy beam engine, perseus, Gauge 1 chassis, a couple of tools for the lathe and a small power saw.