This solution will turn the default threaded look of symbols from this to this.

1. In CADWorx Plant, type in LAUNCHSYMBOLEDITOR.

2. Follow these steps to edit SCF1. Once edited, the default SKEY of SC will take on the properties of the key you've edited.!AleJji7SehcbhR8E5Jxti4UKADr3

3. Here is an asc file that has been modified with the change.!AleJji7SehcbhSCrYAaSJNmJI2Mg

4. Go to this solution to learn how to attach your style to an edited symbol file: