Fix chipboard to steel framework. Self drilling point. Wings cut clearance hole in wood then snap off when they reach steel, preventing wood from 'jacking up'. Under head ribs for self countersinking. Zinc plated.
Fix chipboard to steel framework. Self drilling point. Wings cut clearance hole in wood then snap off when they reach steel, preventing wood from 'jacking up'. Under head ribs for self countersinking. Zinc plated.
For fixing chipboard to steel. Self drilling point. Wings cut clearance hole in wood then snap off when they reach steel, preventing wood from 'jacking up'. Under head ribs for self countersinking. Zinc plated.