Fasteners are typically a low priority Category C handling event in procurement, but if not managed properly they can lead to product complexity, inventory waste and increased costs for later projects. The global market for industrial fasteners is large and complex, with demand growing steadily each year. Fasteners are used in virtually every industrial sector application; literally, they are the parts that hold everything together. Without them, our cars, furniture, cell phones, and even the chairs we sit in would fall apart.
Knowing some of the key characteristics of the fasteners you are purchasing will speed up and improve your procurement results. Here are five things you need to know when sourcing fasteners.
Choosing the right fastener material is not only important when considering cost, but even more important when considering factors such as strength, brittleness and corrosion resistance.
Carbon steel and stainless steel are the most commonly used materials, accounting for about 90% of all fastener manufacturing. Steel and stainless steel together with plastic fasteners dominate the automotive industry. Steel continues to gain popularity due to its tensile strength, durability and high degree of malleability. While stainless steel appeals to users through its corrosion resistance, it does lack the ability to be hardened to the same strength as hardened Grade 5 and Grade 8 steel varieties.
Silicon bronze (bronze) is primarily used in marine environments. This alloy makes it superior to stainless steel fasteners for its high corrosion resistance and superior to brass for its strength in marine engineering. However, bronze can be very expensive, which suggests that it has limited applications.
Brass and aluminum fasteners are also commonly used. Both of these materials are highly corrosion resistant, but they are softer than those mentioned earlier. Brass is mainly used for its attractive appearance, while aluminum is often used when weight is an important detail in technical specifications.
Coatings are usually used for one of two purposes: to increase or improve corrosion resistance, or for decorative and cosmetic purposes. Zinc, hot-dip galvanizing and chrome are the most common fastener coatings.
Galvanizing provides better corrosion resistance in most environments, although it is prone to rusting if the coating is damaged or exposed to prolonged water immersion and moisture.
Electroplating coats the fastener with a thick layer of zinc. This creates greater corrosion resistance, but because of the thickness of the coating, galvanized bolts are not compatible with other nuts.
Chrome plating is used to resist corrosion and as a decorative feature in some applications. Chrome plating provides similar corrosion resistance to zinc, but offers a high quality finish. Typically, it is used where a polished finish is required due to its higher cost.
There are an endless number of different types of fasteners, but the most common are bolts, screws nuts, washers, clips, and pins.
There are more variations in each of these categories, and each application may require a new fastener to be designed. For example, when sourcing screws, it is important to know the type of head required (flat, pan, truss head, etc.). Each type has its own unique purpose.
Among these different fastener commodities, you can choose to design your product using standard off-the-shelf components, or design your own unique fastener to best suit your purpose.
Both strategies have advantages and disadvantages: off-the-shelf components offer cost savings, although they may not be a perfect match for your requirements, while custom fastener engineering ensures that components meet the desired specifications, but at a higher cost.
Leading engineering and supply chain teams work together to limit the number of fasteners to an approved list before developing future products to reduce factory inventory and improve serviceability.
Size is another differentiating factor that will determine where you can source your fasteners from. It is common for fastener manufacturers to develop capabilities in certain size ranges, such as M6 or larger and M5 or smaller. This is due to the equipment required for the different size ranges.
What does the M in screw size mean? In the simplest terms, the M refers to the major or nominal diameter, which is the measurement of the outermost protruding part of the screw. This is usually the measurement used to determine the general size of a screw, although there are many other measurements such as length, pitch and thread size.
Fasteners, unlike many other components, can be sourced through multiple sources, rather than directly through the manufacturer. The latter can be very beneficial if you have very high volume and low diversity fastener needs, or if you have a need for custom fasteners. However, if you are looking for more fastener types and sizes in the medium or low volume range, distributors may offer you greater value, as many manufacturers will refuse to offer lower volume packages directly to their customers.
But with the changing perceptions of individual fastener manufacturers, a greater grasp of customer needs, and a much higher sense of service than before, it is not a bad choice for us, the majority of consumers, to choose to work directly with the factory as a more optimal option.
In terms of logistics, distributors can also be an advantage when sourcing multiple fasteners from multiple manufacturers. In this case, the distributor manages all the logistics of getting the parts from the manufacturer and the customer is only responsible for receiving the parts from the distributor.
Supply chain professionals will unlock significant value for their companies and create a competitive advantage by using a strategic sourcing approach to sourcing fasteners based on the five elements mentioned above and focusing on the true cost of the fasteners they purchase.
By learning everything there is to know about fasteners, sourcing and procurement professionals will reduce product complexity, inventory, and ultimately, product cost.
In high-stakes industries, the seamless operation of your machinery and equipment is crucial to your businesss success.
Imagine overseeing your operation and everything is running smoothly. Then disaster strikes: the machinery grinds to a halt, bringing your entire operation to a standstill. Now, not only are you faced with repair expenses, but you also have to endure costly downtime, all because of one faulty component.
The quality of your machine components, and consequently, the success of your operation hinges on your fastener supplier. Thats why it is essential to choose a company you can rely on. In this blog, we explore five essential things to consider when looking for a reliable fastener supplier for your projects.
When looking for a component supplier, its important that they are able to provide the following top five solutions and services:
The success of your operation rest heavily on the quality of your components, so why risk choosing a supplier that produces low-quality fasteners?
In high-stakes industries such as oil and gas, petrochemical and nuclear, your machine components have to endure rigorous and extreme environments, which means you cant afford to compromise on quality.
You need a supplier that can offer customised solutions, including various material grades and specialised, quality control processes to ensure your components meet the highest standards and provide you with peace of mind in your operation.
If you require a variety of components for your machinery, its essential to find a supplier capable of providing them. Sourcing components from multiple suppliers can be time-consuming and disruptive. At Wulfrun, we offer a comprehensive range of components available for various critical functions including:
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Button head screws, hex head screws, countersunk screws, socket head cap screws
12 point bolts, flange bolts, low head bolts, anchor bolts, conrod bolts, tower connection bolts, CE bolts, slew ring bolts, T head bolts
Hex pressure plugs
Hexagonal nuts, tommy bar nuts, 12 point nuts, cap nuts, cylinder cut nuts, flange nuts
Tie rods, casing studs, cylinder head studs, head cover studs, piston head studs, collar studs, manway stud bolts, tap end studs
Flat washers, square washers, round washers, spherical washers, shakeproof washers, tab washers, spring washers, rings joints
All of our products are made to order and can be created out of any available material grade including:
Stainless steels
Carbon and alloy stells
Petrochemical materials
Power generation
Nickel alloy and duplex sheets
Non-ferrous
Aircraft grades
This is not a comprehensive product list; we also specialise in bespoke and machined components. If you need a component that is not listed, dont hesitate to get in touch with a member of our team with your project specifications.
Unique machinery requires unique solutions and in high-stakes industry. At Wulfrun, we understand that standard, off-the-shelf solutions might not meet the diverse needs of your project.
Thats why we provide a range of customisation options, including, heat and threaded treatments, specialised coatings and more to ensure that your components are up to the task. If you have any out-of-production parts, parts that are highly specific, or ones that you dont have drawings or designs for, bring the part to us and well reverse engineer it.
At the end of the process, well also deliver brand-new designs for your reference, meaning you can recreate the part much more easily in the future.
When it comes to your machinery components, you cant compromise on quality, even if it means investing. While cheaper components from alternative suppliers may seem tempting, the cost will certainly reflect the quality, impacting the performance of your machinery. We understand the importance of sourcing reliable machinery components at an affordable cost, ensuring high-quality products so your machinery operates at its best.
The last thing you need you need is to be waiting on sluggish or unreliable suppliers. At Wulfrun we prioritise rapid turnaround times, providing quotations within 48 hours to ensure that you have access to all the parts you need to continue your operation in as little time as possible.
We also offer an emergency replacement service, ensuring that in the event of a breakdown or an unexpected stoppage, were on hand to support you and minimise downtime.
With an unrivalled 35 years of experience in fastener production, Wulfrun are dedicated to providing top-quality components tailored to your unique needs. Through our delivery of high-quality components and reliable services, were trusted by numerous businesses across multiple high-stakes sectors including:
Oil and Gas
Subsea
Petrochemical
Nuclear
MOD
Power Generation
Whether youre looking for peace of mind in your machinerys performance or facing a critical breakdown, our team is here to support you every step of the way. To find out more about our services get in touch today.
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