The Screwdriver Wars: How a Canadian Invention Divided North America

TLDRThe Screwdriver Wars between Canada and the United States were sparked by the invention of the Robertson square drive and the Philips cruciform drive. Canadians love the secure fit and ease of use of the Robertson screw, while Americans favor the cam-out feature of the Philips screw. The debate continues today, with each country standing by their preferred screwdriver design.

Key insights

🇨🇦The Robertson square drive was invented by Canadian salesman Peter Robertson, offering a self-aligning and self-centering screwdriver.

🇺🇸The Philips cruciform drive, later improved by Henry Phillips, became popular due to its use in World War II and the demand from Allied soldiers.

🤝The screwdriver wars highlight the cultural differences and preferences between Canada and the United States.

⚙️Robertson screws are still widely used in Canada, while Philips screws are popular globally, including in the United States.

🔨The debate between Robertson and Philips screwdrivers continues, with Canadians valuing the secure fit and Americans appreciating the cam-out feature.

Q&A

Who invented the Robertson square drive?

—The Robertson square drive was invented by Canadian salesman Peter Robertson.

What is the main difference between the Robertson and Philips screwdrivers?

—The main difference is in the screw head design, with the Robertson offering a square drive and the Philips featuring a cruciform drive.

Why do Canadians prefer Robertson screws?

—Canadians appreciate the secure fit and ease of use of the Robertson square drive.

Why do Americans prefer Philips screws?

—Americans favor the cam-out feature of the Philips screw, which prevents overdriving and marring of the material.

Are Robertson screws still used today?

—Yes, Robertson screws are still widely used in Canada, but Philips screws are more popular globally.

Timestamped Summary

00:00The Screwdriver Wars between Canada and the United States were sparked by the invention of the Robertson square drive and the Philips cruciform drive.

02:27The Robertson square drive, invented by Canadian salesman Peter Robertson, offered a self-aligning and self-centering screwdriver.

04:51The Philips cruciform drive, later improved by Henry Phillips, gained popularity due to its use in World War II and the demand from Allied soldiers.

06:37The Screwdriver Wars highlight the cultural differences and preferences between Canada and the United States.

07:32Robertson screws are still widely used in Canada, while Philips screws are popular globally, including in the United States.

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