• Advanced Self-Drilling No.3 Point: Engineered to drill directly into steel sub-structures, eliminating the need for pre-drilling and speeding up installation.

• Weatherproof 16mm EPDM Washer: High-grade EPDM washer compresses to create a permanent, water-tight seal against the panel surface.

• Enhanced Corrosion Protection: Silver organic exterior finish offers a corrosion rating of 3, perfect for durability in urban and industrial environments.

• Heavy-Duty Dual Thread Design: Optimized with a dual 60 degree thread to provide a secure, high-tension fix for panels between 130mm and 160mm thick.

• Hardened Carbon Steel Strength: Manufactured from case and core hardened carbon steel to withstand the demands of professional metal construction.

Description

These premium 5.5/6.3 x 180mm Metal Construction Composite Panel Screws are high-performance fasteners specifically designed for fixing thick composite panels to steel sub-structures. Featuring a precision-engineered dual 60 degree self-tapping thread, these screws provide maximum grip and structural stability for panels with a thickness between 130mm and 160mm. Each screw is equipped with a 16mm EPDM washer that creates a premium, weather-tight seal to protect against leaks and moisture ingress in exterior environments.

Built for speed and durability, these fasteners feature a No.3 self-drilling point that pierces metal surfaces without the need for pre-drilling. The case and core hardened carbon steel construction ensures the strength needed for heavy-duty industrial cladding and roofing. To protect against the elements, these screws are finished with a silver organic coating, providing a corrosion rating of 3, which is ideal for urban and industrial areas. These hex head fasteners are the professional choice for ensuring a secure, long-lasting, and weatherproof finish on large-scale construction projects.

Our Delivery Options

Express 2/4 Day Delivery

• Delivery Fee:
• Order By: 
• Delivery Time: Before 6pm Monday-Friday

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Next Business Day Delivery

• Delivery Fee:
• Order By: 
• Delivery Time: Before 6pm Monday-Friday

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Pre-12 Next Business Day Delivery

• Delivery Fee: £12.99 delivery for all pre-12 orders
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• Delivery Time: Before 12pm Monday-Friday

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Remote Areas Delivery

• Delivery Fee:
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• Delivery Time: Standard delivery (2-4 days)

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Weekend Delivery

• Delivery Fee:
• Order By:
• Delivery Time: Before 6pm Saturday

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Good To Know

For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available and delivery can take several days. Saturday delivery is not available for remote areas.

Items over 30kg: Items over 30kg can only be delivered from Monday to Friday. If ordered before 3pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.