TriviaFeed Play Instantly

Canada Trivia 0 pts · 🔥0 · 🪙0

What type of screw drive, known for its square-shaped socket and resistance to cam-out, was invented by Canadian P. L. Robertson?

Advertisement

The Robertson screw, invented in 1908 by Canadian Peter Lymburner Robertson, features a square-shaped socket that offers a superior grip and easier one-handed driving compared to slotted screws, significantly reducing slippage (cam-out). It's a testament to Canadian ingenuity and widely used in construction and furniture making, especially in Canada. Phillips, Torx, and Allen (hex socket) are other common screw drive types with different advantages.

Advertisement

Correct

Scroll down for results

Advertisement

How others answered

Keep Playing

Trivia U.S. Citizenship Quiz: How Well Do You Know America 50 questions · starts instantly Trivia How Well Do You Know the 50 States and Their Capitals? 108 questions · starts instantly Trivia World Geography 10 questions · starts instantly Trivia American Presidents Quiz 50 questions · starts instantly

© TriviaFeed · Home · Terms of Service · Privacy Policy