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Self-Drilling Screws
Medium Duty
WELFAST Hex Head Self Drilling Screws, also referred to as roofing screws, are used for metal-to-metal fastening. Screws are case hardened during heat treatment to ensure fast & easy drilling while maintaining increased strength and holding abilities. These screws come with rubber washers to provide a long-lasting water proof seal.
Medium Duty
Technical Specification
Point #3 screws for light purpose use like stitching roof decks to wall panel.
Point #3.5 screws for medium usage like roofing sheets to steel frames.
Point #4 screws for heavy duty use like metal deck to structural steel.
Xylan/Dacromet screws for humid or alkaline location.
Applications & Usage
Suitable For
Key Features
Available Sizes
Product
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