How a self-drilling screw is produced h1>
Everyone knows EJOT self-drilling screws. But how are they actually produced?
Using the example of a so-called bi-met screw, we show how an EJOT self-drilling screw is produced in a few work steps.
Using the example of a so-called bi-met screw, we show how an EJOT self-drilling screw is produced in a few work steps.
Simplified, these were all work steps for the production of our EJOT self-drilling screws. Additional work steps are hardening the drill point as well as a galvanic surface treatment. Completed with a sealing washer, this is the finished self-drilling screw as you know it.