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Bumax is known as the “world’s strongest stainless steel bolt” — and for good reason. Manufactured in Sweden with 100% European traceability, Bumax fasteners deliver superior performance in the harshest environments, from offshore oil rigs to aerospace applications.
Key Benefits at a Glance
Stainless steel fasteners offer a unique combination of properties that make them ideal for a wide range of demanding applications. CSG specializes in matching the right Bumax grade to your specific requirements — whether you need superior corrosion resistance, high-temperature performance, mechanical strength, or low magnetic permeability. With decades of experience, we ensure you get the optimal solution for a trouble-free lifespan and the lowest possible lifecycle cost.
BUMAX 88 and BUMAX 109 are premium A4 fastener offered in two strength classes as well as have many advantages compared to a typical A4 fasteners.
BENEFITS
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BUMAX SDX has exceptional corrosion resistance and suited for marine environments in chloride bearing medias such as saltwater.
BENEFITS
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BUMAX® Ultra, a unique precipitation hardenable stainless steel that can be delivered in ultra-high strength levels.
BENEFITS
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BUMAX DX 129 is a duplex stainless steel product with very high strength combined with excellent corrosion resistance.
BENEFITS
Complete our form to request a quote, ask questions, or receive Bumax® product samples — no obligation.
BUMAX SA is a 6Mo high-alloy austenitic stainless steel for seawater and other aggressive chloride bearing medias.
BENEFITS
Complete our form to request a quote, ask questions, or receive Bumax® product samples — no obligation.
We Turn “Impossible” Fastening Challenges Into Proven Solutions.
Partner with us to engineer the perfect fastener for your application.
We offer a full range of high-performance Bumax stainless steel fasteners — from standardized products available for immediate delivery to fully customized solutions engineered for your exact application needs.
As experts in precision fastener design, we collaborate directly with engineers and procurement teams to develop components that meet strict requirements for strength, corrosion resistance, and long-term performance.
Whether you need off-the-shelf dependability or a custom-engineered solution, our Bumax high-strength stainless bolts are built to perform — even in the world’s most demanding environments, including offshore, aerospace, marine, and structural applications.
At Component Solutions Group, we don’t just claim performance — we deliver it in the field, on the job, and under pressure. From aerospace assemblies to offshore rigs, our clients rely on Bumax fasteners to stand up to the most extreme environments — and keep performing. Here’s what they have to say.
“We are very happy to have found BUMAX, and I would strongly recommend BUMAX products to other companies that experience similar galling issues.”
Kennichi Johara,
Nara Machinery
“BUMAX was able to provide us with stainless steel fasteners that fully met our high strength and excellent corrosion resistance requirements for the Slussen project.”
Bob Hamberg,
Skanska Sweden
“When we looked for premium fasteners, BUMAX was the only company that could provide the high-strength fasteners with the corrosion resistance we required for our applications.”
Peter Rainer,
Ringfeder
“We investigated various fastener alternatives, Including titanium-nitride coated fasteners, but BUMAX was the only solution that fully met our requirements while still being cost effective.”
Mathijs Baars,
Nikhef
Request a quote or consult with an expert today.
