CAD CAM EDM DRO - Yahoo Group Archive

Re: 1/2-12 thread

Posted by ron ginger
on 2001-12-22 07:21:21 UTC
1/2-12 was a common US thread on old machinery. I believe the change to
1/2-13 was an SAE standard that happened about 1920. I have made 1/2-12
bolt for several old marine engines.

ron ginger

Discussion Thread

ron ginger 2001-12-22 07:21:21 UTC Re: 1/2-12 thread Sven Peter 2001-12-23 06:29:31 UTC Re: [CAD_CAM_EDM_DRO] Re: 1/2-12 thread