Technical Litterature

A self-drilling tip include a drill point to drill a starting hole so the threads of the screw can cut and tap into the material, securing it into place.     Point Length : Teks screw are distinguished by the length of their drill point. They can be either Tek 1, Tek 2, Tek 3, Tek 4, Tek 5 or Tek 7. Tek 7 being the longest drill point. Sealing washer : A sealing washer will be added when the connection needs to be waterproof, in roofing application per example. Wings: Also called Reamers, they are added when attaching wood to...

How to determine the Thread Length of your Hex Cap Screws (Imperial/Metric) and Structural Bolts.

Standard charts and the method to calculate the thread length.

Learn more about the basic dimensions of any standard A325 Structural Bolt, and the total bolt length you need to use for your projects.