Making of a Square Head Machine Bolt 

To learn more about machine bolts or Portland Bolt, visit us at www.portlandbol....
Take a quick tour of our shop and follow an order of 7/8" diameter square head machine bolts through the manufacturing process. This video includes shearing, pointing, hot forging, roll threading, and galvanizing. Find out what it takes to make an order of large, custom machine bolts.
More information is also available at Portland Bolt's education website: www.polelinefas...