For fastening steel up to 12.5mm thick where a flat head is required and water tigt seal isn't necessary
Self Drilling Screws For Metal
Class 4 (Galvanized)
Deep Drilling Point - A twist drill style hardened point for drilling through steel up to 12.5mm thickl. Extended swarf clearing flutes ensure efficient drilling without fouling the head seating with drilling debris.
5/16 Hex Drive
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