Safe Top no.17 Self Drill M5.5X28 P10

Envirocoat Mechanical Zinc Class 3 coating is extremely resistant to corrosion. • Pre-assembled EPDM seal ensures a long-life leak proof fixing. • Topgrip thread under the head, draws the roof sheeting up to the EPDM seal ensuring a water tight seal and stability. • Self-drilling points ensure fast installation in timber and steel purlins. • Coarse thread ensures high pull-out retention and resistance to wind lift.