On Mon, 02 Oct 2017 19:26:13 -0500, Ignoramus21874
wrote:

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

A you move up the scale in quality, you get into more US-made
fasteners. The bottom-end, high-volume commodity fasteners are almost
all made overseas.

--
Ed Huntress