The self-drilling’s point design combines two main functions: drilling and tapping.
This screw design could apply on the steel roof construction mostly. Our self-drilling screws requires high speed drilling test performance, this requirement ensures our screw's point and thread could drill in the steel more efficiency at short time.
The screws are available in International Standards: DIN; ISO; AS 3566; ANSI; JIS; BS.
Available Material Grades: Carbon Steel, Stainless Steel
Available Surface Treatments: Ruspert ; Cr6+ ; Cr3 ; Black Phosphate
Packed quantity in the bucket: