Why no one buys screw machines
On 2017-10-02, Ed Huntress wrote:
Some specialty screws and bolts are still turned, but the big volumes
are made on ancient, beat-up headers and roll-threaders in countries
where they work in their bare feet.
I know of two factories near me that employ large amount of cold
headers and thread rollers, making megatons of screws, and humming
along very nicely.
i
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