
Hex Washer Head with EPDM Washer
Mount Hex Washer Head Screws with EPDM Washer are self drilling fasteners manufactured from Carbon Steel C1022 and zinc plated for corrosion protection. These screws incorporate an EPDM washer to provide sealing performance at fastening points in weather-exposed roofing and cladding applications.
Product Specifications
| PARAMETERS | SPECIFICATIONS |
|---|---|
| Material | Carbon Steel C1022 |
| Coating | Zinc Plated |
| Diameter | 4.8 / 5.5 / 6.3 mm |
| Torsion Strength | 61 / 92 / 150 lb/in (min) |
| Drilling Time | 7 / 11 / 13 sec |
| Washer Type | EPDM |
Applications

Industrial Warehouses
Provides sealed fastening of roofing sheets exposed to rain and weather.

Commercial Roofing Projects
Ensures water-resistant fixing at roof sheet connection points.

Infrastructure & Utility Buildings
Secures external cladding while preventing water ingress at fastener points

Agricultural Buildings
Maintains weather-tight roofing in exposed rural installations.

Logistics & Distribution Centers
Supports sealed metal roofing installations over large areas.

Public Utility Structures
Fastens exposed roof sheets with integrated sealing capability.

Retail & Commercial Sheds
Provides protected fastening in outdoor roofing systems.

Solar-Integrated Industrial Roofs
Secures roof sheets in installations exposed to environmental conditions.
Frequently asked Question
Carbon Steel C1022.
Zinc plated surface finish.
It provides sealing at the fastening point to reduce water ingress.
4.8 mm, 5.5 mm, and 6.3 mm.
61 / 92 / 150 lb/in (minimum), depending on diameter.
Approximately 7 / 11 / 13 seconds depending on diameter
Weather-exposed roofing and cladding applications.
It primarily provides sealing while supporting surface compression.
Yes, they include an integrated drill point.
Yes, particularly where sealing at the fastener location is required.