Compatible with cover roof construction for slate roofs. Easily penetrates any hard roof and securely fastens!
It is often difficult for regular screws to penetrate or fit. This drill screw is ideal for the cabal roof method (a construction method where a metal roof is placed over a slate tile roof). By sharpening the tip, it can penetrate even hard slate that would typically cause the tip of a regular drill screw to chip. The head is a special bind head that securely holds the metal roof while ensuring good bit engagement. The screw section is a coarse screw that firmly grips the sheathing board. With a custom shape from the head of the screw to the tip, this drill screw makes the cabal roof method significantly easier.
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basic information
Size Screw outer diameter: 4.5mm, screw length: 45mm Head: Bind head, head diameter: φ11mm, head height: 3mm
Price range
P1
Delivery Time
P1
Applications/Examples of results
Purpose: Ideal for field boards + existing slate roofs + roofing + newly installed metal roofs Track Record: Various cover roof methods
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Company information
It is characterized by the ability to warm forge stainless steel, nickel alloys, and titanium products using multi-stage forging machines such as hammers and headers. The company manufactures screw products for automobiles, locking nuts, and drill screws for construction and housing.