Did you know that most screws are tightened in a clockwise rotation? However, even though fasteners share this similarity, they are actually all different. This is because there are several different types of screws, bolts, and fasteners available, and each one is used for its own unique purposes.
1. Square head bolts. These were actually the first bolts ever created, and they are still in use today. Created by P. L. Robertson in 1908, square head bolts can be fastened using open-end wrenches, which means they require 90 degrees of free space in order to be turned. Although this is seen as a minor inconvenience to some, square head bolts are still being use Continue reading “Which Type of Bolt Is Right for You?”