These Forgefix Screw Hooks are zinc plated for increased resistance to corrosion. They simply screw directly into timber and similar materials. Drilling a pilot hole is advisable. The screw head is also suitable for use with all types of wall plugs.
Screw Hooks are used to attach cables, wires and twine to many numerous applications. Also ideal as a storage accessory for use as a hanging hook.
Zinc coatings prevent oxidation of the protected metal to create a longer lasting finish. It does this by forming a barrier and by acting as a sacrificial anode if this barrier is damaged. Zinc oxide is a fine white dust that (in contrast to iron oxide) does not trigger a breakdown of the substrate’s surface integrity as it is formed. The zinc oxide, if left intact, can act as a barrier to further oxidation, in a way similar to the protection afforded to aluminum and stainless steels by their oxide layers.
Manufacturers Product Code GRPFORSH558B
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