Archimedes screws largest in diameter - Landustrie
New World's Largest SmartBolt! - SmartBolts
New World's Largest SmartBolt! - SmartBolts
World's largest nut coming to Green Bay
Feb. 29, 2012 - The biggest scew of the world left for Dunkerque:The biggest screw of the wrold, 42 tons, left to-day Le Havre where it was built for Dunkerque where it
The Largest Screw I Have Ever Made | The Hobby-Machinist