Galvanised Finish Screws, Fasteners and Fixings
In this process, a galvanised finish, the fastener or fixing is hot dipped in zinc to prevent against corrosion. It’s generally applied to steel or iron.
The process of hot dip galvanising involves depositing a layer of zinc onto the surface of a steel item – unless the product requires additional coatings of paint for decorative reasons – where a thinner form, electro galvanising, is applied.
For fasteners that will be exposed consistently to corrosive environments or materials, more expensive stainless steel should be used as the protection provided by the hot dip galvanising is inefficient in high-corrosive use.
A galvanised coating is relatively thick, so any clearance holes and nuts will have to be tapped oversize to accommodate galvanised bolts.
For fasteners smaller than M8, the thick hot dipped galvanised finish fills too much of the threads, reducing strength, meaning that electro galvanising would be a more fitting finish for these fasteners.
If you require more information or would like to order a product with a galvanised finish, please contact us.
Kitting and Packaging Service
Ideal for the furniture trade, we specialise in the supply of heat seal, grip seal and zip seal bags of screws and fasteners for your application.
Specials and non standard fixings
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Fastener Terminology Glossary
There are a number of confusing names and terms within the Fastener industry, so we have created a handy terminology glossary to help.
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