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Showing results for tags 'identification numbers'.
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fasteners Fastener "head stampings" or ID numbers/letters
Careless posted a topic in Open Discussions
I'm just rifling through the 9 million bolts here with the 01/70 resto project. I found a bag of these bolts, brand new (top right: 08120-8501E) that sandwhich the trans halves together. The ones I have pulled from the trans, and also some of the ones that I have discovered in the box-o-bolts have a head marking that says TR on one edge of the hex, and 7 on the opposite edge of the hex, and the washer is slightly thicker than the new ones. On the new one, it has the italicized "7" that I have come to expect on many of the datsun bolts, as I've seen 7's and 9's embossed on the hex heads on most Nis/Dats. Now I know I'm splitting hairs here, but I have new bolts, so I might as well use them... But did the TR 7 marking ever show up on any datsun bolts? Is this an early Datsun thing? I would much rather use what came on the car, to be honest, since I'm getting them tumbled and replated at some point. They are the exact same thread and length.