![Drill-Tec™ #12 Purlin Fastener - 331](https://documents.gaf.com/data-sheets/drill-tec-12-purlin-fastener---trufast-8-21-_data-sheet.jpg)
Drill-Tec™ #12 Purlin Fastener - 331
Data Sheets
![Drill-Tec™ #12 Purlin Fastener - 331](https://documents.gaf.com/data-sheets/drill-tec-12-purlin-fastener---trufast-8-21-_data-sheet.jpg)
The specially designed ¾” long pilot point prevents the existing metal roof panel from “jacking” up the threads during the drilling operation, thereby reducing point burnout and breakage.
Note: For detailed fastening instructions, please refer to the GAF Roofing/Attachment System Mini-Manual at gaf.com.Data Sheets
Data Sheets