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Image | Product + | Brand | Price | Availability | Qty |
M5x35 Roofing Bolts Zinc Plated [Incl. Sq. Nuts & Washers] (Pack of 10)Product Code: FM05-035RBSN-Z10 | TIK Products |
£1.75 Ex VAT: £1.46 | Out Of Stock | ||
M5x35 Roofing Bolts Zinc Plated Square Nut (Pack of 200)*Product Code: FM05-035RBSN-Z | Fixings Megastore |
£6.00 Ex VAT: £5.00 | Out Of Stock |
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.