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Aluminium Fasteners
Aluminium Fasteners – Lightweight and Strong
Aluminium fasteners have come of age. With the availability of special alloys, it has become possible to product strong and durable fasteners from Aluminium.
These have good corrosion resistance, low weight and non-magnetic properties.
They find application in aerospace, chemical, defence, robotics, nuclear, marine, petrochemical, racing car and bike bodies and engines, Drones, anodising and medical equipment industries.
Advantage of Aluminium
Get the Aluminium Advantage v/s Steel
– Lightweight; Weighs one third of steel.
– Non Magnetic and highly conductive.
– High Strength to weight ratio.
– Superior corrosion resistance when used correctly; Excellent resistance to acid-base.Available options
Aluminium Blind Rivet Nuts
Blind Rivet Nuts made from Aluminium AISI 5056 provide a lightweight nut fixing on thin sheets.
Available with Large Flange and Reduced CSK
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Black Coated Fasteners
Adding to our ever growing range are BLACK Stainless Steel Fasteners.
This finish is very useful in reducing light reflection from parts and providing an integrated finish to black coloured products and parts.
The coating reduces friction of moving parts, preventing galling and scoring.
With negligible dimensional build up, smooth screw assembly is assured.
At present, we have a wide range of black fasteners in stock including PAN Phillips and CSK Phillips screws in Metric Threads, thread forming screws, along with nuts and washers.
Other screws can also be provided in black on order.
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High Strength Stainless Steel
The special characteristic of Aerospace products include high strength and corrosion resistance.
These help to withstand high pressure (for eg, while exiting earth’s atmosphere) and higher temperature (for eg, exposure to burning rocket fuel).
High Strength Stainless Steel Fasteners: A2-80 and A4-80
A2-80 and A4-80 combine the high mechanical strength with corrosion resistance for an effective solution to many situations.
These are very useful for Aerospace applications as they allow the designer to reduce weight of the fastener for a joint.
Higher mechanical strength as compared to standard A2 / A4 is achieved through the cold-drawing process, providing a minimum Ultimate Tensile Strength of 800 MPa.
For most Aerospace, Petro-chemical and Offshore applications, SS-316 A4 is the preferred choice.
Unlike 304, 316 stainless steel has a higher nickel composition and contains a relatively high amount of molybdenum, whereas the 304 stainless steel does not contain molybdenum at all. This differences provides 316 stainless steel (or A4 stainless steel) a significantly greater corrosion resistance. This corrosion resistance specifically denotes A4 stainless steel with the ability to resist acids and salts, making it a great solution for research, chemical engineering and marine applications, amongst many others.
Designers and Engineers may find value in this extra corrosions resistance, especially if replacement or maintenance costs are relatively high, such as on tall buildings, installations that may experience any sort of salt spray or underwater applications, or simply for creating longer lasting lab or engineering equipment that may be subject to acidic or salty conditions.
Additionally if mechanical properties are also a concern for the material?
For equipment that is moving or having to withstand significant mechanical strain, then having a higher class stainless steel will also improve the life of the fastener, thereby reducing MRO costs and possible down time.
In such situations, the A4-80 range of fasteners are the best option that provides high corrosion resistance along with high mechanical strength.
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Marine Grade Fasteners
What are marine grade fasteners?
Marine grade fasteners refer to fasteners that have been designed specifically for the marine industry. In other words, they are entirely weather/corrosion resistant. A salt water (marine) environment is a difficult one for metals because of corrosion. On any ship, boat, or oil rig part of the hull or structure remains under water in use, while another portion is above, creating different “zones”, and different corrosion resisting solutions.
Most Stainless Steel fasteners do not stand up to the corrosive properties of saltwater environments. It requires special grades of Stainless Steel like 316 Grade A4, duplex Stainless Steel, Monel or Titanium to serve the purpose.
Stainless Steel Grade AISI 316 A4 is now becoming increasingly popular for a number of applications because of the long life it imparts to the components. It is also know as food grade stainless steel and is very useful in food processing, Pharmaceutical and Chemical industries.
AISI-316 Stainless Steel’s excellent corrosion resistance makes it perfect for both internal and external applications.
Whilst this higher-grade steel is generally more expensive than A2 Stainless Steel fasteners, it can be more cost-effective over a longer period of time, due to it’s corrosion resistance and durability, leading to reduced maintenance costs, fewer replacement parts and less down time due to equipment breakdown. It will also remain clean and bright under atmospheric conditions.
MAGNETISM – It is very important to recognise the fact that all stainless steel fasteners after cold working exhibit magnetism to some extent including SS-316
We have a large range of AISI 316 Screws, Nuts, Washers and other Fasteners.
Special Stainless Steel 316 Fasteners
Wire Rope Clips SS316 A4 Marine Grade Stainless Steel
Wire Rope Clips are used to secure wire ropes (wire rope termination). The main applications are marine, biogas, elevators and personnel hoists
They are made of Marine Grade Stainless Steel SS-316 A4 which is salt water resistant. -
Titanium Fasteners
Titanium Fasteners – a product of the future
Titanium fasteners are unique:
The unique characteristics of titanium alloys, they have extraordinary corrosion resistance, high tensile strength, low weight and non-magnetic properties.
They find application in aerospace, chemical, defence, robotics, nuclear, marine, petrochemical, racing car and bike bodies and engines, Drones, anodising and medical equipment industries.Get the Titanium Advantage v/s Stainless Steel
– Lightweight; Weighs half of stainless steel.
– Non Magnetic; Extremely low magnetism
– Non Toxic: Safe for the human body
– Superior corrosion resistance; Excellent resistance to acid-base.Titanium Alloys available in ready stock:
– Ti-Grade2 Commercially Pure C.P. – High corrosion resistance.
This grade of titanium has the highest grade of corrosion resistance. It is used in a broad range of corrosive environments such as salt water, acids, alkalis, and other industrial chemicals.– Ti-Grade5Ti 6AI-4V – High strength grade.
This grade is among the most common grades of titanium. While not as corrosive resistant as the CP grade, it does offer good corrosive resistance. It offers a higher tensile strength compared to the CP grade.
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