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N and E27N H/Bolts

Posted: Tue May 08, 2012 1:54 pm
by tmc
Hi All , I need to clean up the bolt tappings ( head bolts )in an N block , can any one tell me what tap I need ? best regards ,Tim

Re: N and E27N H/Bolts

Posted: Mon May 14, 2012 8:19 pm
by moretoot
Hi,
1/2 inch U N C is the kiddo.
Regards
Pat

Re: N and E27N H/Bolts

Posted: Tue May 15, 2012 8:32 am
by tmc
Thanks Pat , yes , I have one now thanks , the same as the diesel major head bolt threads ( but not the same length ) best regards , Tim.