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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

PARAMETERSSPECIFICATIONS
MaterialCarbon Steel C1022
CoatingZinc Plated
Diameter4.8 / 5.5 / 6.3 mm
Torsion Strength61 / 92 / 150 lb/in (min)
Drilling Time 7 / 11 / 13 sec
Washer TypeEPDM

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

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.

Mount Roofing And Structures Pvt Ltd