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M6x25 Socket Cap Head Zinc Plated (Pack Of 1)Part No: M06-025SHC-Z | HX Fixings |
£0.06 Excl VAT: £0.05 | 79 Packs In Stock | ||
M6x25 Socket Cap Screws Zinc Plated (Pack of 200) [Grade 12.9]Part No: FM06-025SHC-Z | HX Fixings |
£10.54 Excl VAT: £8.78 | 3 Days |
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.