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In 1934, the Threadwell Tap & Die Company was formed and located on Arch Street in Greenfield, Massachusetts. The company developed and patented a new method of thread cutting and restoring damaged threads. This Tap & Die set, circa 1940's, includes fine and coarse thread cutting tools that range from 1/4 to 1/2 inch sizes, based on the U. S. thread standard established in the early 20th century. During World War II (WWII) Threadwell manufactured taps in great quantities. When German bombers leveled the English city of Coventry and its threading tool industries, Threadwell became the major supplier of British standard threading tools. It also made cutting tools used in rifling the Garand rifle, .30 and .50 caliber machine guns barrels manufactured by the Springfield Armory. Threadwell was the third largest employer in Greenfield during WWII with nearly 400 employees.


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Threadwell Tap and Die Company's Tap & Die set made in WWII

creator   Threadwell Tap and Die Company
date   1941-1945
location   Greenfield, Massachusetts
width   15.0"
height   15.5"
process/materials   steel
item type   Tools/Mechanical Tools & Equipment
accession #   #M.55

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See Also...

Whitworth Hand Tap & Die set made by Greenfield Tap and Die Corporation during WWII

Partial sample of Saleman's Kit marketed by Threadwell Tap and Die Company

Plant of the Threadwell Tap & Die Company

"Threadwell In New Industrial Era After Decades of Varying Fortunes" article from Greenfield Recorder-Gazette newspaper

"Threadwell The Greenfield Plant That Is Making History In The Precision Tool Field!" ad from Greenfield Recorder-Gazette

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