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99% Invisible · May 29, 2026 · 35m 36s

100 Objects #2: 60-Degree Screw

Roman Mars examines the hidden history of a tiny yet pivotal component: the 60-degree screw thread. In this episode of the '100 Objects' series, he reveals how this specific angle became an industrial standard that underpins countless products. Through the story, Mars shows how a simple design choice can create a durable, often invisible infrastructure that shapes global manufacturing and trade. The episode uncovers the quiet power of standards to lock in systems and build empires.

This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.

Highlights

The 60-Degree Screw as a Foundational Standard
The episode reveals how a tiny screw thread with a 60-degree angle became embedded in thousands of products, illustrating the hidden power of industrial standardization.
Lock-In and Path Dependency in Manufacturing
Once the 60-degree screw thread was adopted, the industrial ecosystem adapted around it, making alternatives impractical despite potential improvements.
Standards as Hidden Architecture of Power
The episode argues that controlling standards allows a country or company to shape entire industries and global trade without visible dominance.
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