Evolution Hex Head Self Drilling Screws Heavy Duty (EPDM Washer) Box of 100
Evolution Hex Head Self Drilling Screws Heavy Duty (EPDM Washer) Box of 100
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Heavy-duty self-drilling hex head screws with bonded EPDM washer for watertight sealing.
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Designed to fix cladding, roofing, and liner panels to heavy-gauge steel (4–12mm).
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Made from high-strength carbon steel with Evoshield® coating for superior corrosion resistance.
Evolution Hex Head Self Drilling Screws Heavy Duty (EPDM Washer) Box of 100
Heavy-Duty Self-Drilling Screws for Cladding & Roofing
Designed for strength, speed, and reliability, our TEK 5 Hex Head Screws with bonded EPDM washers are the professional choice for fixing cladding, roofing, and liner panels to heavy-gauge steel. With a hardened TEK 5 drill point, these screws cut cleanly into steel sections up to 12mm thick, eliminating the need for pre-drilling and reducing installation time.
Key Features & Benefits
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Hexagonal 5/16” Head: Easy installation with standard nut drivers.
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Bonded 16mm EPDM Washer: Creates a secure, watertight seal, protecting against leaks.
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Heavy-Duty TEK 5 Drill Point: Self-drills through 4.0–12.0mm steel, perfect for hot and cold rolled purlins.
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High Performance Carbon Steel (SAE C1022): Engineered for strength and durability.
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500hr Evoshield® Coating: Superior corrosion resistance for long-lasting performance.
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Fine Thread Design: Ensures strong hold in steel substrates.
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Fast Installation: Recommended drill speed of 1500–2500 RPM.
Applications
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Fixing roofing and cladding sheets to heavy-gauge steel purlins and rails
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Fastening liner panels and general components to steel
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Ideal for industrial, commercial, and agricultural building projects
Free next day delivery
We offer free next day delivery to UK Mainland for all orders over £50. Any orders below £50 are subject to a £5.99 delivery charge (all charges ex VAT).
Pre 10.30am and Pre 12.30pm Next Day Delivery
These delivery options are available at an extra charge. Delivery prices are shown at checkout stage. Orders need to be placed before 1pm Monday - Friday (working days) for delivery on the following working day.
International Delivery
We currently don't offer international delivery through the website. If you would like a quote please get in touch.
Republic of Ireland
All shipments going to Republic Of Ireland will be sent on DAP terms. Please note that when the goods arrive in ROI the customer will be required to pay import tax and any necessary import duties before the goods are released.
Highlands, Channel and offshore islands
For this area, there is an extra charge per consignment that will be shown at the checkout stage.
Please Note
*Orders placed before 2pm are dispatched on a next-day delivery service, subject to stock availability. While we endeavour to ensure next-day delivery, there may be occasional delays due to circumstances beyond our control. Should any issues arise with your order, we will contact you promptly to keep you informed.
