Roofing Accessories
Hex Head Self-Drilling Screws
Hex-head self-drilling roofing fasteners with sealing washers, selected to suit the roofing sheet and supporting steel.
For self-drilling roofing screws in Devanahalli, tell our team the sheet and supporting steel specifications so the fastener length and washer can be confirmed.
Ordering specifications
| Head type | Hexagonal / hex flange |
|---|---|
| Fastener type | Self-drilling roofing screw |
| Sealing washer | Specify bonded EPDM washer for weather-exposed roof fixing |
| Diameter and length | Confirm screw gauge, length and thread engagement for the fixing detail |
| Drilling capacity | Model-specific; select the drill point for the supporting steel thickness |
| Material and coating | Confirm manufacturer, steel grade, corrosion coating and washer size |
| Order identification | Brand, model / drill-point number, size and quantity |
Choose the fastener using its manufacturer datasheet. Drilling capacity, material grade, and corrosion coating vary by model. Share the supporting steel thickness, roof profile, and exposure conditions so the correct screw and washer can be quoted.

