J&L fasteners Facts
Though it’s a common misconception, screws aren’t in the shape of a spiral. The threading on a screw forms the shape of a helix and not a spiral.
Friday, April 25th, 2020
More than 200 billion fasteners are used per year in the U.S. For example, the Golden Gate bridge is made up of over 1.2 million rivets (that were later replaced with galvanized high-strength bolts) in just the two tower segments alone. That doesn't even include all the other fasteners that are being used to hold the bridge together.
Friday, April 10th, 2020
Screws, originally, weren’t even created to fasten things. The first use of screws was for extracting oils from olives and grapes.
See what types of screw there are now, and how they're used Here
Friday, April 3rd, 2020
Early screws had to be handmade and no two screws were ever alike. All that changed, however, in 1928, when the National Screw Thread Commission established a standard for screw threads for interchangeability.
See the new standard for imperial and metric thread pitch here
Friday, March 27th, 2020