Metal Roofing Screws–Structure Fixing
Structure Fixing Fasteners-Fine Thread
Hex washer head self-drilling screws for steel, mainly used for steel structure fixing, fine thread could provide faster drilling speed and stronger fastening ability.
Product Description
Material
Carbon Steel 1022A
Stainless Steel 410
Bi-metal A2/A4+SCM435
Surface Treatment
AS3566 Class 3/Class 4
Zinc Plated
Advantage
Faster drilling speed
No iron filings get stuck on the thread
Application
For fixing steel plate to thick steel structure
Drilling Capacity
#12 Max Thickness 7.0mm
#14 Max Thickness 7.0mm
| Diameter | Effective Fixing Thickness | Screw Size |
|---|---|---|
| 5.5mm/#12 gauge | < 16mm | 12-24x38mm |
| < 28mm | 12-24x50mm | |
| < 46mm | 12-24x68mm | |
| 6.3mm/#14 gauge | < 28mm | 14-24x50mm |
| < 46mm | 14-24x68mm | |
| < 58mm | 14-24x80mm | |
| < 73mm | 14-24x95mm |
*For sizes or specifications not listed, please contact us for further information