In <000e01be4a61$518f9500$85b299d1@DNXS.voyager.net>, on 01/27/99
at 08:55 PM, "Gerald Brazil" <gerrybraz@voyager.net> said:
>Preston in '62 the Brits were using SAE standards. No marks on the bolt
>head = Grade 2
>3 hash marks on head = Grade 5, 5 hash marks = Grade 8. The definitive
>work on the topic is Carroll Smith's book, "Nuts, Bolts and Fasteners".
>Buy it, it will have charts for drill sizes for taps. You will probably
>need a set of Numbered and Lettered drill bits to cover most of the
>common tap sizes.
Now that is the info that I need. The bolt that triggered my question has
three rusted hash marks along with some printing. I was not sure they had
invoked the SAE standard marking at that time.
Can anyone suggest when they adopted the SAE standard?
thanks for info
Preston
|-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=--
| Our 62 MGA 1600 MK II and 80 MGB LE are waiting for warm weather
| Betti Ann and Preston Smith in the Head of St Margaret's Bay, Nova Scotia,
|Canada.
| email: prsmith@navnet.net
|