The die holder was used to create threads on screws and bolts. The rod was clamped firmly in a vice, after which the thread holder was gripped by its two handles. By rotating it along the surface of the iron rod, the desired thread was generated, thus creating an even spiral on the surface of the metal.
Association “Storia Natura e Vita”
Piazza Camozzi, 2
22010 Grandola ed Uniti (CO) – Italy
VAT ID: IT 03290790132
Tax ID: 93007310134
[email protected]
Project implemented with the support of the PR FESR 2021-2027 of the Lombardy Region, Bando Innovacultura
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