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On 10 Jul 2005 at 18:21, Russ Wolfe wrote: > I just came in from the shop. Re-discovering the reasons I don't like > domestic cars. I was putting track arms in my Mother's Chevy Lumina. > ??bolts with 18mm heads?? I had to hunt like hell to find a socket. > And, I think I need to get the central AC installed in the shop. ;=} Quite a few years ago the Japanese revised their bolt head standards so that the typical JIS bolt head is 1mm smaller than the same size DIN bolt. I read an article about this at the time, which included an extimate of the number of TONs of steel which this change would save over some number of years. Yeah, we get used to the "normal" bolts requiring 10, 13, 15, 17, & 19mm wrenches, but the JIS bolts are now all one step down. The most common wrench sizes on them are 12 & 14. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~