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Image | Product + | Brand | Price | Availability | Qty |
M8x30 Roofing Bolts Zinc Plated [Incl. Sq. Nuts & Washers] (Pack of 10)Product Code: FM08-030RBSN-Z10 |
TIK Products |
£2.87
Ex VAT: £2.39 |
1380 Packs In Stock |
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M8x30 Roofing Bolts Zinc Plated Square Nut (Pack of 100)*Product Code: FM08-030RBSN-Z |
Fixings Megastore |
£10.94
Ex VAT: £9.12 |
138 Packs In Stock |
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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 substrates 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.