Handy thread chart
1 Attachment(s)
see attached
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RE: Handy thread chart
Sorry, but a thread chart for what?
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RE: Handy thread chart
They look like the maximum major diameters for common screw sizes used in models. Here's a little more complete table for SAE:
http://www.engineershandbook.com/Tab...readlimits.htm The other day, I discovered an important cap screw with a 1/2-12 pitch (Whitworth). It did not come from some ancient British machine. It held the motor frame on a Harbor Freight horizontal band saw, which was bought no more than 3 or 4 years ago. There are two of them. Whatever you do, don't loose one. I suspect the manufacturer in China must have been found a supply left over from the colonial days. :D Its max. diameter is about the same as a 1/2-13, just a deeper cut thread, in case you want to add it to the table. |
RE: Handy thread chart
I trimmed that chart down to what we actually need. I use mine often, I nailed it to the wall in my shop. Oddy was asking about threads on a crank shaft. I told him to get a thread pitch gauge and a digital caliper. Using this chart and those tools one can figure out the thread pitch and size of most anything we run into. He apparently did not do that and has since ruined his prop hub.
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RE: Handy thread chart
For heavens sake, go metric!
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RE: Handy thread chart
ORIGINAL: pe reivers For heavens sake, go metric! John |
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