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Re: [T3] Collecting stamps
- To: Type 3 Mailing list <type3@vwtype3.org>
- Subject: Re: [T3] Collecting stamps
- From: Henrik Larsson <notchback@home.se>
- Date: Fri, 29 Jun 2001 11:29:32 +0200
- References: <3B3BA5D5.9089.4E32A1@localhost>
- Resent-date: Fri, 29 Jun 2001 05:51:14 -0400
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Jim Adney wrote:
> The JIS (Japanese) standards tend to put about 1mm smaller
> heads on the bolts compared to the DIN (German) standards. This
> saves a few hundred thousand tons of steel per year in the auto
> industry. I wonder if the new German cars now use the JIS
> standard bolts, which have 12mm heads on the 8mm bolts, instead
> of 13mm heads.
Very interresting! I know that M8 used a 14 mm head when the M-standard was
defined. Then, sometime in the 60s or 70s, the steel had better strength and the
head was reduced to 13 mm.
I have never seen this 12 mm head, but I tend to stay away from modern cars,
especially japanese.. :-)
Henrik Larsson, Sweden
'64 and '68 Notches
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