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Bronze Fasteners
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Bronze Fasteners

Bronze Bolts, Screws, Nuts & Washers

Bronze Fasteners are often mistaken for Brass as they share many similarities in terms of colour and composition. They are both classed as “red metals” due their high Copper content and red tint, with Bronze featuring a duller gold appearance. Modern Bronze typically consists of 88% Copper and 12% Tin, but different alloys can include quantities of other metal, metalloid and non-metal elements such as Lead, Nickel, Zinc, Aluminium, Phosphorus and Silicon.

Bronze components are strong and offer good corrosion resistance due to the high levels of Tin – further increased with the addition of Zinc. The high levels of Copper can result in oxidation of the outer layer when exposed to air, which prevents damage to the interior metal and increases corrosion resistance. However, if Copper Chloride forms, this can result in “Bronze disease” – a destructive process that occurs when Copper-based alloys come into contact with chloride solutions.

Bronze has a melting point of roughly 950°C and is a better conductor of heat and electricity than most types of steel – widely found in electrical applications as a result. Bronze Fasteners are typically non-magnetic, but alloys that contain Nickel or Iron may provide magnetic properties. Alloys with modest amounts of Lead, also known as Bearing Bronzes, offer anti-friction properties at the expense of some strength – often utilised as bushings and bearings.

Available now at Fastenright

We supply a range of Bronze screws, bolts, nuts and washers here at Fastenright – available now from stock or to order. Bronze Fasteners are predominantly manufactured from Aluminium Bronze, Phosphor Bronze, and Silicon Bronze – with other types of Bronze available to order.

Non-standard sizes, grades and finishes are available to order as specials. Fastenright can also provide bespoke components manufactured to specification and drawings. Minimum order quantities apply.

Make an enquiry about Special Bronze Fasteners

Phosphor Bronze Bolts, Screws, Nuts & Washers

Phosphor Bronze is family of a copper based alloys typically composed of up to 11% Tin and a small quantity of Phosphorus. Most types feature additional elements such as Iron, Zinc and Lead.

The origins of Phosphor Bronze, or Phos Bronze, date back over 100 years where it was often used in the creation of ship propellers and a range of musical instruments.

It is well known for its high strength and strong corrosion resistance, while also providing a relatively high melting point and a low coefficient of friction.

Modern uses of Phosphor Bronze include components within electrical devices due to their non-magnetic properties, as well as coastal or marine applications.

Phosphor Bronze screws, fasteners and fixings can be supplied in various grades which all differ slightly in terms of composition and performance.

Fastenright can supply parts in grades C510, C519, C521, C544, PB1, PB2, PB3, PB101, PB102, PB103 and PB104.

If you require more information or would like to order a product in Phosphor Bronze, please contact us.

Silicon Bronze Bolts, Screws, Nuts & Washers

Silicon Bronze fasteners are known for their corrosion resistance, and they are often found in naval construction because of this. Brine, sulphite solutions and gases to not cause silicon bronze to deteriorate or corrode.

They are generally used in woodworking and the construction of wooden boats and preferred over the likes of copper due to its natural beauty – which in turn enhances the value of sea crafts.

It can be found in sewage disposal too.

In some instances, they can be used in general construction, refineries, and the power and energy industry.

In marine settings, silicon bronze fixings are favoured over stainless or other metals due to its superior resistance to corrosion, strength and durability. The alloy contains copper, tin and a small amount of silicon.

If you require more information or would like to order a product in Silicon Bronze, please contact us.

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