I need some knobs etc for a few jigs. I am in a metric country and cannot get knobs etc like your mail order companies have and need to order. I know what 1/4-20 and 5/16-18 means in Imp terms but what is a 10-24 thread?
Thanks
I need some knobs etc for a few jigs. I am in a metric country and cannot get knobs etc like your mail order companies have and need to order. I know what 1/4-20 and 5/16-18 means in Imp terms but what is a 10-24 thread?
Thanks
.190" diameter @ 24 threads per inch.
Regards,
Tom Watson
tjwatson1ATcomcastDOTnet (real email)
.190 dia. x 24 tpi
Tom and Wilson gave good links.
History, As I Know It To Be: Early in 20th Century, machine tool industry and automobile companies needing machine tools developed a new screw bolt system (along with drill sizes with numbers and letters) for their needs. This need had to do with the torque applied to the machine bolts, which in turn required greater holding power on the threads before the threads failed. Bolts in the new standard had improved thread dimensions with complex relationships between pitch, depth, and other factors (like the steel used.) Out of that need came the Unified Thread Standard
Another article at
Way more than you asked, I know.
Phil
Dang, you're like me...someone asks you what time it is, and you tell them how to build a clock ;-).
todd
I live in the US and purchase Metric handles from time to time for my tools, (Grizzly jointer), etc. that have metric fittings.
I get them from Reid Tool supply,
Darrell
10-24 means a #10 shank (3/16 inch) with 24 threads per inch. Jim
I would just order one of the assortment kits and when you see it you will know more than we can tell you. You will also have a handy supply, just remember to mind your stock. I had to do the same thing for metric hardware many years ago.
Thanks to all for the explanations and links. Some useful info there.
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