Metal Roofing Screws–Structure Fixing
Heavy Duty Function-Hex Washer Head
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, #5 point could easily drill through max 12mm steel plate.
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 12.5mm
#14 Max Thickness 12.5mm
| 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