Clutch Head Screws - History & Lore
Автор: Ballinator
Загружено: 2024-01-23
Просмотров: 14348
Описание:
In this "Socket Obscura" / "Tool Lore" crossover episode, we look at the Clutch head screw.
AKA butterfly, bow-tie, figure 8 or hourglass screw.
That strange screw that never caught on, but never quite faded away.
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United Bolt & Screw Patents:
https://patents.google.com/patent/US1...
https://patents.google.com/patent/US2...
https://patents.google.com/patent/US2...
1946 Clutch Screw Ad:
https://www.rfcafe.com/references/rad...
00:00 Parody Intro
00:29 Overview
01:04 Who invented them?
01:45 Why were they invented?
02:12 Why call them Clutch Screws?
02:40 Who manufactured them?
02:58 What tools work on them?
04:35 Can you use a flat blade?
05:09 Outro
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