Re: Bolt queries
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Machinery's Handbook is a great source, but if you're going to get a used copy, newer editions will be better than older editions for metric info.? I have 4 or 5 editions, the oldest being from the 50's.? I've found that while most of the general info remains fairly constant throughout the years, more specialized data may require a little digging through multiple editions. I specifically remember needing a table of collet dimensions, which I'd seen before, and the book I grabbed did not have ANY data on collets.? (I think it was from the 90's). Newer and older editions did have the data.? If you're looking for information on old tech, like flat belt drive, really old editions would obviously be needed.? -Dave
On Monday, August 14, 2023 at 03:52:22 AM PDT, Carl <carl.blum@...> wrote:
Hello Peter:
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Machinery's Handbook also has Metric information, it will tell you USA measurements are based on the meter. Check Ebay or bookstores for a copy, even the early editions are useful. New they are about $100, but I've found used for $10. The book is a great read, everything from flooring to finance. It's size has stayed the same to fit in that small drawer in Girshner tool boxes.?
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In tool making we always used stronger bolts. Aluminum would only be used for appearance or weight. Stainless bolts in stainless are prone to galling, this week I had a 1/4" screw gall in a stainless flange and I had to saw it free. I'm on the road with no grease so I used butter and finished the job.?
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